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The following information is not a substitute for the knowledge and judgement of a healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Always consult with your doctor, nurse, or pharmacist before taking medication.

Strattera Side Effects

Generic Name: atomoxetine

Note: This page contains side effects data for the generic drug atomoxetine. It is possible that some of the dosage forms included below may not apply to the brand name Strattera.

In Summary

Common side effects of Strattera include: constipation, insomnia, decreased appetite, and xerostomia. Other side effects include: dermatitis, dysmenorrhea, erectile dysfunction, dizziness, dyspepsia, ejaculatory disorder, urinary hesitancy, ejaculation failure, and diaphoresis. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to atomoxetine: oral capsule

As well as its needed effects, atomoxetine (the active ingredient contained in Strattera) may cause unwanted side effects that require medical attention.

Major Side Effects

If any of the following side effects occur while taking atomoxetine, check with your doctor immediately:

Less common: Rare Incidence not known:

Minor Side Effects

Some atomoxetine side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:

More common: Less common:

For Healthcare Professionals

Applies to atomoxetine: oral capsule

Gastrointestinal

Very common (10% or more): Dry mouth (up to 35%), nausea (up to 26%), abdominal pain/discomfort (up to 18%), constipation (up to 11%), vomiting (up to 11%)
Common (1% to 10%): Dyspepsia, gastroenteritis, diarrhea, flatulence[Ref]

Metabolic

Very common (10% or more): Decreased appetite (up to 24%)
Common (1% to 10%): Decreased weight, anorexia[Ref]

Cardiovascular

Very common (10% or more): Increased heart rate (up to 23.4%), increased blood pressure (up to 21.5%)
Common (1% to 10%): Orthostatic hypotension, palpitations, flushing/hot flush, sinus tachycardia, tachycardia
Uncommon (0.1% to 1%): QT interval prolongation
Rare (less than 0.1%): Raynaud's phenomenon and/or peripheral vascular instability
Frequency not reported: Myocardial infarction[Ref]

Endocrine

Very common (10% or more): Erectile dysfunction (up to 21%)
Common (1% to 10%): Dysmenorrhea, delayed ejaculation/ejaculation disorder/ejaculation failure, sexual dysfunction, impotence, prostatitis, abnormal orgasm, irregular menstruation, testicular pain, male genital pain
Postmarketing reports: Priapism, male pelvic pain[Ref]

Nervous system

Very common (10% or more): Headache (up to 19%), somnolence/sedation (up to 11%)
Common (1% to 10%): Dizziness, tremor, syncope/syncope vasovagal, paraesthesia, feeling jittery, dysgeusia
Uncommon (0.1% to 1%): Seizures, hypoesthesia
Frequency not reported: Stroke[Ref]

Psychiatric

Very common (10% or more): Insomnia (up to 19%)
Common (1% to 10%): Aggression/hostility, irritability, mood swings, depression/depressed mood, early morning awakening, abnormal dreams, decreased libido, sleep disorder, agitation, anxiety
Uncommon (0.1% to 1%): Suicide-related behavior (suicide attempts, suicidal ideation), psychotic/manic symptoms (e.g., hallucinations, delusional thinking, mania), restlessness, emotional lability, generalized anxiety disorder
Frequency not reported: Panic attacks, impulsivity, akathisia, hypomania
Postmarketing reports: Tics, libido changes, sensory disturbances, completed suicide[Ref]

Dermatologic

Very common (10% or more): Hyperhidrosis (up to 15%)
Common (1% to 10%): Rash, excoriation, dermatitis, pruritus
Uncommon (0.1% to 1%): Urticaria[Ref]

Other

Very common (10% or more): Fatigue (up to 10%)
Common (1% to 10%): Unexpected therapeutic response, chills, thirst, peripheral coldness/feeling cold, influenza, pyrexia, rigors, lethargy, asthenia, chest pain
Frequency not reported: Delayed growth (height and weight), sudden death[Ref]

Genitourinary

Common (1% to 10%): Urinary retention, urinary hesitation/decreased urine flow, dysuria, pollakiuria
Uncommon (0.1% to 1%): Micturition urgency, enuresis[Ref]

Ocular

Common (1% to 10%): Conjunctivitis, mydriasis, blurred vision[Ref]

Respiratory

Common (1% to 10%): Upper respiratory tract infection
Uncommon (0.1% to 1%): Pharyngitis, dyspnea
Frequency not reported: Pharyngolaryngeal pain, oropharyngeal pain[Ref]

Hepatic

Uncommon (0.1% to 1%): Increased blood bilirubin
Rare (less than 0.1%): Liver failure, abnormal/increased liver function tests, jaundice, hepatitis, liver injury, acute hepatic failure[Ref]

Hypersensitivity

Uncommon (0.1% to 1%): Allergic reactions (anaphylactic reactions, angioneurotic edema, urticarial, rash)[Ref]

Musculoskeletal

Uncommon (0.1% to 1%): Muscle spasms
Frequency not reported: Back pain
Postmarketing reports: Rhabdomyolysis[Ref]

References

1. "Product Information. Strattera (atomoxetine)." Lilly, Eli and Company, Indianapolis, IN.

It is possible that some side effects of Strattera may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

More about Strattera (atomoxetine)

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