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Generic Name: rasagiline (ras AJ il een)
Brand Names: Azilect
Azilect (rasagiline) is used to treat the symptoms of Parkinson's disease. Learn about side effects, interactions and indications.
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Drug Information:
Azilect (rasagiline) works by increasing the levels of certain chemicals in the brain. Azilect is used to treat symptoms of Parkinson's disease (stiffness, tremors, spasms, poor muscle control). Azilect is sometimes used with another medicine called levodopa. Do not Azilect if you have used a MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, selegiline, or tranylcypromine. Tell your doctor about all medicines you have used in the 2-week period before you start taking Azilect. Many drugs can interact with rasagiline, and some drugs should not be used together. Learn more

Azilect Side Effects

Azilect Side Effects

Note: This document contains side effect information about rasagiline. Some of the dosage forms listed on this page may not apply to the brand name Azilect.

In Summary

Common side effects of Azilect include: dyskinesia. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to rasagiline: oral tablet

Along with its needed effects, rasagiline (the active ingredient contained in Azilect) 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 rasagiline:

Less common

  • Abdominal or stomach pain
  • arm, back, or jaw pain
  • black, tarry stools
  • chest pain or discomfort
  • chest tightness or heaviness
  • chills
  • cloudy urine
  • cough
  • diarrhea
  • difficulty swallowing
  • dizziness
  • fainting
  • fast or irregular heartbeat
  • fever
  • hives, itching, or skin rash
  • loss of appetite
  • nausea
  • painful or difficult urination
  • persistent, non-healing sore
  • pink growth on the skin
  • puffiness or swelling of the eyelids or around the eyes
  • reddish patch or irritated area
  • redness, blistering, peeling, or loosening of the skin
  • seeing, hearing, or feeling things that are not there
  • shiny bump
  • sore throat
  • sores, ulcers, or white spots on lips or in mouth
  • sweating
  • swollen glands
  • tests that show problems with the liver
  • tightness in the chest
  • unusual bleeding or bruising
  • unusual tiredness or weakness
  • weakness
  • white, yellow or waxy scar-like area

Some side effects of rasagiline 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:

More common

  • Acid or sour stomach
  • belching
  • difficulty with moving
  • headache
  • heartburn
  • indigestion
  • muscle pain or stiffness
  • pain in the joints
  • stomach discomfort or upset

Less common

  • Bruising
  • burning, crawling, itching, numbness, prickling, "pins and needles" or tingling feelings
  • burning, dry, or itching eyes
  • decreased interest in sexual intercourse
  • difficulty breathing
  • difficulty with moving
  • discouragement
  • excessive tearing
  • eye discharge
  • fall
  • feeling of constant movement of self or surroundings
  • feeling sad or empty
  • general feeling of discomfort or illness
  • hair loss
  • inability to have or keep an erection
  • irritability
  • joint pain
  • lack of appetite
  • large, flat, blue or purplish patches in the skin
  • lightheadedness
  • loss in sexual ability, desire, drive, or performance
  • loss of interest or pleasure
  • muscle aches
  • neck pain
  • noisy breathing
  • redness, pain, swelling of the eye, eyelid, or inner lining of the eyelid
  • runny nose
  • sensation of spinning
  • shivering
  • sneezing
  • stuffy nose
  • swelling or redness in the joints
  • thinning of the hair
  • tiredness
  • trouble concentrating
  • trouble sleeping
  • vomiting
  • weight loss

For Healthcare Professionals

Applies to rasagiline: oral tablet


When used as an adjunct to levodopa, the risk for developing posttreatment high blood pressure, combined with a significant increase from baseline was higher for rasagiline (the active ingredient contained in Azilect) (2%) compared to placebo (1%).

Clinical trial data suggest that orthostatic hypotension occurs more frequently during the first 2 months of rasagiline treatment and tends to decrease over time.

Postmarketing reports of elevated blood pressure, including rare incidents of hypertensive crisis associated with the ingestion of unknown amounts of tyramine-rich foods, have been reported in patients taking recommended doses of rasagiline.

Very common (10% or more): Orthostatic/postural hypotension

Common (1% to 10%): Angina pectoris, first degree AV block, hypertension, peripheral edema, peripheral vascular disorder

Uncommon (0.1% to 1%): Myocardial infarction

Postmarketing reports: Hypertensive crisis (after ingestion of unknown amounts of tyramine-rich foods)

Frequency not reported: Arrhythmia, blood pressure fluctuations, bradycardia, bundle branch block, cardiovascular disorder, complete AV block, heart arrest, pallor, palpitation, second degree AV block, thrombosis, vasodilatation, vascular disorder, ventricular arrhythmia, ventricular extrasystoles

Nervous system

Very common (10% or more): Dizziness, dyskinesia, headache

Common (1% to 10%): Ataxia, balance disorder, carpal tunnel syndrome, dystonia, paresthesia

Uncommon (0.1% to 1%): Cerebrovascular accident, somnolence

Frequency not reported: Hyperkinesias, myoclonus, nystagmus, speech disorder, withdrawal-emergent hyperpyrexia and confusion resembling neuroleptic malignant syndrome

Postmarketing reports: Serotonin syndrome

Dyskinesia or exacerbation of dyskinesia has been reported when rasagiline is used as an adjunct to levodopa. A dose reduction of levodopa may mitigate this effect.

Cases of patients treated with rasagiline and other dopaminergic medications falling asleep while engaged in activities of daily living including the operations of motor vehicles, have been reported and sometimes resulted in accidents. Some of these cases of somnolence have been reported more than 1 year after initiation of treatment.

The postmarketing reports of serotonin syndrome, associated with agitation, confusion, rigidity, pyrexia, and myoclonus have been reported by patients treated with antidepressants/SNRI concomitantly with rasagiline.

The symptom complex resembling neuroleptic malignant syndrome, with symptoms included elevated temperature, muscular rigidity, altered consciousness, and autonomic instability, has been reported with rapid dose reduction, and withdrawal of, or changes in, drugs that increase central dopaminergic tone.


Common (1% to 10%): Abnormal dreams, depression, hallucinations, insomnia, sleep disorder

Uncommon (0.1% to 1%): Confusion

Frequency not reported: Paranoid reactions, personality disorder

Postmarketing reports: Impulse control disorders, new or worsening mental status and behavioral changes including psychotic-like behavior

When studied as an adjunct to levodopa, the incidence of hallucinations was approximately 5% at a rasagiline dose of 0.5 mg per day, 4% at 1 mg per day, and 3% with placebo. Dose reduction or treatment discontinuation should be considered if hallucinations or psychotic-like behaviors develop.

Reduced impulse control or increased compulsive behaviors include intense urges to gamble, increased sexual urges, intense urges to spend money, and binge eating. Patients may not recognize these behaviors as abnormal. Dose reduction or treatment discontinuation should be considered if such urges develop.


Very common (10% or more): Accidental injury, fall

Common (1% to 10%): Fever, hernia, infection, malaise, otitis media, pain, sweating, vertigo

Frequency not reported: Chills, dysautonomia, prolonged immobilization


Common (1% to 10%): Alopecia, cellulitis, contact dermatitis, dermatitis, ecchymosis, rash

Uncommon (0.1% to 1%): Vesiculobullous rash

Frequency not reported: Abscesses, dry skin, gangrene, nail disorder, pruritus, psoriasis, skin ulcer, urticaria


Common (1% to 10%): Benign skin neoplasm, melanoma, skin carcinoma

Frequency not reported: Bladder carcinoma, breast neoplasm, cyst, Kaposi's sarcoma


Frequency not reported: Goiter, inappropriate antidiuretic hormone secretion


Very common (10% or more): Nausea

Common (1% to 10%): Abdominal pain, constipation, diarrhea, dry mouth, dyspepsia, flatulence, gastroenteritis, gingivitis, tooth disorder, vomiting

Frequency not reported: Colitis, dysphagia, eructation, esophagitis, fecal impaction, gastritis, gastrointestinal disorder, gastrointestinal hemorrhage, halitosis, intestinal obstruction, megacolon, mouth ulceration, periodontitis


Common (1% to 10%): Albuminuria, decreased libido, impotence, urinary urgency

Frequency not reported: Anuria, breast pain, dysmenorrhea, dysuria, nocturia, prostate-specific antigen increase, testis disorder, urogenital anomaly, vaginal hemorrhage


Common (1% to 10%): Hemorrhage, leucopenia

Uncommon (0.1% to 1%): Anemia

Frequency not reported: Eosinophilia, leukocytosis, megaloblastic anemia, thrombocytopenia


Frequency not reported: Abnormal liver function tests


Common (1% to 10%): Allergy


Common (1% to 10%): Flu syndrome, influenza, fungal infection

Frequency not reported: Sepsis, herpes simplex


Common (1% to 10%): Anorexia, decreased appetite, weight loss

Frequency not reported: Gout, hyperphosphatemia, hypokalemia, hypolipemia, increased lactic dehydrogenase, weight gain


Common (1% to 10%): Arthralgia, arthritis, back pain, joint disorder, musculoskeletal pain, myasthenia, neck pain, tendon disorder, tenosynovitis

Frequency not reported: Bursitis, leg cramps, myositis, rhabdomyolysis following fall, spinal stenosis, tendinous contracture


Common (1% to 10%): Abnormal vision, conjunctivitis

Frequency not reported: Blindness, diplopia, eye disorder, eye hemorrhage, glaucoma, vitreous disorder


Frequency not reported: Increased blood urea nitrogen, kidney pain


Common (1% to 10%): Asthma, cough, dyspnea, pharyngitis, rhinitis, upper respiratory infection

Frequency not reported: Allergic rhinitis, epistaxis, pneumothorax, pulmonary embolus

Editorial References and Review

Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.

Source: Drugs.com Azilect