Ephedrine Side Effects

Please note - some side effects for Ephedrine may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects of Ephedrine - for the Consumer

Ephedrine/Guaifenesin

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Ephedrine/Guaifenesin:

Dizziness; excitability; headache; nausea; nervousness or anxiety; trouble sleeping; weakness.

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; tremor.

Ephedrine

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Ephedrine:

Anxiety; confusion; difficulty sleeping; dizziness; headache; nausea; nervousness; pale skin; restlessness; sweating; tension; tremors; weakness.

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; difficulty urinating; eye pain; hallucinations; increased irregular heartbeat; nausea; pounding in the chest; vomiting.

Ephedrine Capsules

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Ephedrine Capsules:

Dizziness; headache; nausea; nervousness; restlessness; sleeplessness; stomach irritation.

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating.

Ephedrine/Guaifenesin Syrup

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Ephedrine/Guaifenesin Syrup:

Dizziness; excitability; headache; nausea; nervousness or anxiety; trouble sleeping; weakness.

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; tremor.

Side Effects by Body System

Nervous system

Nervous system side effects associated with large doses of ephedrine have included nervousness, insomnia, vertigo, and headache. Seizure, anxiety, and tremors have also been reported.

Cardiovascular

Cardiovascular side effects associated with large doses of ephedrine have included tachycardia and palpitation. Precordial pain and arrhythmias have been reported following administration of ephedrine injection. Hypertension, stroke, and myocardial infarction have also been reported.

Other

Other side effects associated with large doses of ephedrine have included sweating.

Gastrointestinal

Gastrointestinal side effects have included nausea, vomiting, and anorexia.

Genitourinary

Urinary retention has mainly been reported in male patients with prostatism.

Genitourinary side effects have included dysuria and urinary retention.

Psychiatric

Psychiatric side effects associated with prolonged abuse of ephedrine have included symptoms of paranoid schizophrenia. Suicide and psychotic episodes have also been reported.

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