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Clonazepam

Generic Name: clonazepam (kloe NAZ e pam)
Brand Names: KlonoPIN
Clonazepam is used to treat seizures and panic disorder. Learn about side effects, interactions and indications.

Average Savings for clonazepam (generic): 47.81%
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Drug Information:
Clonazepam is a benzodiazepine. It affects chemicals in the brain that may be unbalanced to treat seizures and certain types of anxiety disorders. Clonazepam, a type of anti-epileptic drug, is used to treat certain seizure disorders (including absence seizures or Lennox-Gastaut syndrome) in adults and children. Clonazepam is also used to treat panic disorder (including agoraphobia) in adults. You should not use clonazepam if you have narrow-angle glaucoma or severe liver disease, or if you are allergic to Diazepam (Valium), Lorazepam (Ativan) or a similar medicine. Learn more

Clonazepam Medicare Coverage

Overview

Does Medicare cover Clonazepam?

Yes

100% of Medicare Part D and Medicare Advantage plans cover this drug.
How much is my Clonazepam co-pay with Medicare?

It depends. Which coverage stage are you in? Click on a tab below…

CO-PAY RANGE

$2 – $27

In the Deductible co-pay stage, you are responsible for the full cost of your prescriptions. Your Medicare deductible cannot exceed $360 in 2016.

Ways to Save on Clonazepam

Here are some ways that may lower the cost of your clonazepam prescription.

  • Instead of Medicare, Use a USA Rx Coupon

    If your Medicare co-pay is higher, you can save money by using a USARx coupon instead.

Clonazepam Side Effects

Clonazepam Side Effects

In Summary

Commonly reported side effects of clonazepam include: drowsiness. Other side effects include: upper respiratory tract infection, ataxia, depression, and dizziness. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to clonazepam: oral tablet, oral tablet disintegrating

Warning

Oral route (Tablet)

Concomitant use of benzodiazepines and opioids may result in profound sedation, respiratory depression, coma, and death. Reserve concomitant prescribing for patients with inadequate alternative treatment options. Limit dosages and durations to the minimum required and follow patients for signs and symptoms of respiratory depression and sedation.

Along with its needed effects, clonazepam may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking clonazepam:

More common

  • Body aches or pain
  • chills
  • cough
  • difficulty breathing
  • discouragement
  • dizziness
  • ear congestion
  • feeling sad or empty
  • fever
  • headache
  • irritability
  • lack of appetite
  • loss of interest or pleasure
  • loss of voice
  • nasal congestion
  • poor coordination
  • runny nose
  • shakiness and unsteady walk
  • sleepiness or unusual drowsiness
  • sneezing
  • sore throat
  • tiredness
  • trouble concentrating
  • trouble sleeping
  • unsteadiness, trembling, or other problems with muscle control or coordination
  • unusual tiredness or weakness

Less common

  • Being forgetful
  • bladder pain
  • bloody or cloudy urine
  • change in speech
  • diarrhea
  • difficult, burning, or painful urination
  • frequent urge to urinate
  • general feeling of discomfort or illness
  • joint pain
  • loss of appetite
  • lower back or side pain
  • mood or mental changes
  • muscle aches and pains
  • nausea
  • nervousness
  • problems in urination or increase in the amount of urine
  • shivering
  • slurred speech
  • sore throat
  • sweating
  • trouble speaking
  • vomiting

Rare

  • Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  • changes in skin color
  • chest pain or discomfort
  • cold sweats
  • colds
  • confusion
  • cough or hoarseness
  • difficulty with sleeping
  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  • excessive dreaming
  • excessive muscle tone
  • excitement
  • falling
  • fast, irregular, pounding, or racing heartbeat or pulse
  • feeling mad
  • feeling of unreality
  • flu-like symptoms
  • headache, severe and throbbing
  • lack of feeling or emotion
  • lack or loss of self-control
  • muscle stiffness
  • muscle tension or tightness
  • nightmares
  • pain, inflammation, or swelling in the calves, shoulders, or hands
  • pain or swelling in the arms or legs without any injury
  • pain, tenderness, or swelling of the foot or leg
  • partial or slight paralysis
  • scaling
  • sense of detachment from self or body
  • shakiness in the legs, arms, hands, or feet
  • skin rash
  • swelling around the eyes
  • swelling of the face, ankle, foot, or knees
  • thoughts of killing oneself changes in behavior
  • tightness in the chest
  • trembling or shaking of the hands or feet
  • uncaring
  • vision changes

Incidence not known

  • Abdominal pain or fullness
  • anxiety
  • black, tarry stools
  • bleeding gums
  • blood in the urine or stools
  • change in consciousness
  • chest congestion
  • difficulty with coordination
  • double vision
  • drowsiness
  • dry mouth
  • feeling that others are watching you or controlling your behavior
  • feeling that others can hear your thoughts
  • feeling, seeing, or hearing things that are not there
  • hyperventilation
  • irregular, fast, slow, or shallow breathing
  • irregular, twisting uncontrolled movement of the face, hands, arms, or legs
  • loss of interest or pleasure
  • loss of memory
  • loss of strength or energy
  • loss of voice
  • muscle weakness
  • pale or blue lips, fingernails, or skin
  • pinpoint red spots on the skin
  • problems with memory
  • restlessness
  • severe mood or mental changes
  • sores, ulcers, or white spots on the lips or in the mouth
  • swollen glands
  • troubled breathing with exertion
  • uncontrolled eye movements
  • unusual behavior
  • unusual bleeding or bruising
  • unusual weakness
  • vivid dreams
  • weight loss or gain

Some side effects of clonazepam may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common

  • Decreased interest in sexual intercourse
  • difficulty with swallowing
  • dryness or soreness of the throat
  • heavy bleeding
  • hives
  • inability to have or keep an erection
  • longer than usual time to ejaculation of semen
  • loss in sexual ability, desire, drive, or performance
  • pain or tenderness around the eyes and cheekbones
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • voice changes

Rare

  • Acid or sour stomach
  • ankle, knee, or great toe joint pain
  • belching
  • bleeding after defecation
  • blistering, burning, crusting, dryness, or flaking of the skin
  • bloated
  • blurred or loss of vision
  • change in color perception
  • cracks in the skin at the corners of the mouth
  • decrease or change in vision
  • difficulty moving
  • double vision
  • dryness of the eyes
  • earache
  • excess air or gas in stomach or intestines
  • feeling of constant movement of self or surroundings
  • feeling of warmth
  • frequent bowel movements
  • full feeling
  • hair loss or thinning of the hair
  • halos around lights
  • heartburn
  • increased watering of the mouth
  • indigestion
  • irregularities in menstruation
  • itching in the genital or other skin areas
  • itching, scaling, severe redness, soreness, or swelling of the skin
  • joint stiffness or swelling
  • leg or muscle cramps
  • loss of taste
  • night blindness
  • nosebleeds
  • overbright appearance of lights
  • pain in the breasts or pelvic area
  • pain in the leg, nape, or back
  • passing gas
  • red, sore eyes
  • redness of the face, neck, arms, and occasionally, upper chest
  • redness or swelling in the ear
  • sensation of spinning
  • smaller amount of semen ejaculated than usual
  • sore on the edge of the eyelid
  • soreness or redness around the fingernails and toenails
  • stomach discomfort, upset, or pain
  • thickening of the tongue
  • thirst
  • tooth disorder
  • toothache
  • tunnel vision
  • twitching of the eyes
  • uncomfortable swelling around the anus
  • worsening of acne

Incidence not known

  • Burning feeling in the chest or stomach
  • difficulty having a bowel movement (stool)
  • increased appetite
  • increased hair growth, especially on the face
  • increased in sexual ability, desire, drive, or performance
  • increased interest in sexual intercourse
  • sore gums
  • tenderness in the stomach area

For Healthcare Professionals

Applies to clonazepam: oral tablet, oral tablet disintegrating

General

The most commonly reported side effects included drowsiness, somnolence, ataxia, and behavior problems.

Nervous system

Reversible ataxia, dysarthria, anterograde amnesia, and nystagmus may occur, especially in long-term treatment and/or at high doses.

Transient somnolence, dizziness, ataxia, lightheadedness, muscular hypotonia, and/or coordination disturbances may occur, and usually disappear spontaneously when treatment is continued or upon dose reductions.

Very common (10% or more): Drowsiness (up to 50%), somnolence (up to 50%), ataxia (up to 30%), dizziness (up to 12%)

Common (1% to 10%): Abnormal coordination, dysarthria, intellectual ability reduced, memory disturbance, nystagmus

Rare (0.01% to 0.1%): Convulsions, headache

Very rare (less than 0.01%): Generalized fits, lightheadedness

Frequency not reported: Activation of new types of seizures, amnestic effects, anterograde amnesia/amnesia, aphonia, attention lack, coma, coordination disturbances, decreased movement and gait coordination, disturbance in attention, dysdiadochokinesis/inability to perform rapid, alternating movements, dysphagia, epileptic seizures, extremity numbness and tingling, forgetfulness, head fullness, hemiparesis, hyperactivity, hyperphagia, hypersensitivity to light/noise/physical contact, hypertonia, hypoesthesia, impaired concentration/poor concentration, lethargy, migraine, motion sickness, muscular hypotonia, paresis, paresthesia, seizures, speech slowing/slurring, taste loss, tremor, vertigo, visual field defect

Postmarketing reports: Choreiform movements, hypotonia, preexisting brain damage

Psychiatric

Reversible inappropriate behavior may occur, especially in long-term treatment and/or at high doses.

Very common (10% or more): Behavior problems (up to 25%)

Common (1% to 10%): Confusion/confusional state, decreased libido, depression, emotional lability, nervousness

Rare (0.01% to 0.1%): Decrease in sexual drive, loss of libido

Frequency not reported: Aggressive behavior/aggressive reaction/aggression/aggressiveness, agitation, anger, anxiety, apathy, depersonalization, derealization, disorientation, drug withdrawal symptoms, dysphoria, excessive dreaming, excitability/excitement, extreme anxiety, feeling mad, hallucinations, hostility, hysteria, illusion, inappropriate behavior, increased libido, insomnia, irritability, nightmares, organic disinhibition, physical dependence, psychological dependence, psychosis, psychotic disorders, restlessness, sleep disorder, sleep disturbance, suicidal attempt, suicide ideation, tension, vivid dreams, worsening/emergence of clinical depression

Postmarketing reports: Abnormal dreams, change in libido, dependence, encopresis

Respiratory

Very common (10% or more): Upper respiratory tract infection (up to 10%)

Common (1% to 10%): Bronchitis, coughing, pharyngitis, rhinitis, sinusitis

Rare (0.01% to 0.1%): Respiratory depression

Frequency not reported: Asthmatic attach, bronchial hypersecretion/hypersecretion in upper respiratory passages, chest congestion, dyspnea, excessive sneezing, hoarseness, mucus obstruction of the nasopharynx, nosebleed, pneumonia, rhinorrhea, shortness of breath, yawning

Postmarketing reports: Airway obstruction, pharyngeal edema

Genitourinary

Common (1% to 10%): Colpitis, dysmenorrhea, ejaculation delayed, impotence, micturition frequency, urinary tract infection

Rare (0.01% to 0.1%): Erectile dysfunction, urinary incontinence

Frequency not reported: Bladder dysfunction, breast pain, dysuria, ejaculation decreased, enuresis/feeling of enuresis, menstrual irregularity, nocturia, pain pelvic, polyuria, urinary retention, urinary tract bleeding, urine discoloration

Other

Transient fatigue, lassitude, slowed reaction, and/or tiredness may occur, and usually disappear spontaneously when treatment is continued or upon dose reductions.

Common (1% to 10%): Fatigue, lassitude, tiredness

Frequency not reported: Accident, drunkenness, earache, fever, herpes simplex infection, hyperacusis, injury, malaise, otitis, pain, paradoxical reaction, reaction slowed/decreased, shivering, thirst, wound

Postmarketing reports: Falls, general deterioration

Gastrointestinal

Common (1% to 10%): Abdominal pain, constipation

Rare (0.01% to 0.1%): Epigastric discomfort/symptoms, gastrointestinal symptoms, nausea

Frequency not reported: Abdominal discomfort, bowel movements frequent, coated tongue, dyspepsia, flatulence, gastrointestinal inflammation, hemorrhoids, pyrosis, salivary hypersecretion/saliva increased/hypersalivation, stomach upset, tongue thick, toothache, tooth disorder, vomiting

Postmarketing reports: Diarrhea, dry mouth, gastritis, sore gums

Musculoskeletal

Common (1% to 10%): Muscle weakness, myalgia

Frequency not reported: Ankle pain, arthralgia, back pain, foot pain, fracture traumatic, knee pain, knee swelling, jaw pain, leg cramps, leg pain, lumbago, muscle cramps, muscle pain, nape pain, shoulder pain, sprains, strains, tendinitis, twitching

Postmarketing reports: Fractures

Hypersensitivity

Common (1% to 10%): Allergic reaction

Rare (0.01% to 0.1%): Angioedema

Frequency not reported: Anaphylaxis

Ocular

Common (1% to 10%): Blurred vision

Frequency not reported: Diplopia/double vision, eye irritation, eye twitching, periorbital edema, stye, visual disturbance, xerophthalmia

Postmarketing reports: Abnormal eye movements, "glassy-eyed" appearance

Reversible vision disorders (e.g., diplopia) may occur, especially in long-term treatment and/or at high doses.

Metabolic

Common (1% to 10%): Appetite decreased

Frequency not reported: Anorexia, dehydration, gout, hunger abnormal, increased appetite, weight gain, weight loss

Immunologic

Common (1% to 10%): Influenza

Frequency not reported: Infection mycotic, infection streptococcal, infection viral, moniliasis

Dermatologic

Rare (0.01% to 0.1%): Pigmentation changes, pruritus, rash/skin rash, transient hair loss, urticaria

Frequency not reported: Abrasions, acne flare, alopecia/transient hair loss, bleeding dermal, burning skin, cellulitis, dermatitis contact, facial edema, hair loss, hirsutism, pustular reaction, skin disorder, sweating, xeroderma

Postmarketing reports: Angioneurotic edema, pigmentation disorder

Hematologic

Rare (0.01% to 0.1%): Decreased platelet count

Frequency not reported: Anemia, blood dyscrasias, eosinophilia, infectious mononucleosis, leukopenia, lymphadenopathy

Postmarketing reports: Thrombocytopenia

Cardiovascular

Frequency not reported: Ankle edema, chest pain, edema, flushing, foot edema, palpitations, postural hypotension, tachycardia, thrombophlebitis leg

Postmarketing reports: Cardiac arrest, cardiac failure, thrombophlebitis, thrombosis

Tachycardia occurred after IV administration.

Hepatic

Frequency not reported: Abnormal liver function tests, hepatomegaly

Postmarketing reports: Transient elevations of serum transaminases and alkaline phosphatase

Endocrine

Frequency not reported: Incomplete precocious puberty/premature secondary sex characteristics

Local

Frequency not reported: Localized inflammation

Renal

Frequency not reported: Cystitis

Editorial References and Review

Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.

Source: Drugs.com Clonazepam (www.drugs.com/clonazepam.html).