Benzgalantamine Side Effects

Medically reviewed by Drugs.com. Last updated on Feb 10, 2025.

Applies to benzgalantamine: oral tablets.

Side effects include:

Most common adverse reactions with galantamine (≥5%): nausea, vomiting, diarrhea, dizziness, headache, decreased appetite.

For healthcare professionals

Applies to benzgalantamine: oral delayed release tablet.

General adverse events

The most common adverse reactions included nausea, vomiting, diarrhea, dizziness, headache, and decreased appetite. The majority of these adverse reactions occurred during the dose-escalation period.

Incidence rates of adverse reactions are reported from clinical studies of galantamine immediate-release tablets and extended-release capsules.^[Ref]

Cardiovascular

• Frequency not reported: First degree atrioventricular block, palpitations, sinus bradycardia, supraventricular extrasystoles, flushing, hypotension
• Postmarketing reports: Complete atrioventricular block, hypertension

Dermatologic

• Frequency not reported: Hyperhidrosis
• Postmarketing reports: Stevens-Johnson syndrome, acute generalized exanthematous pustulosis

Gastrointestinal

• Very common (10% or more): Nausea (up to 20.7%; median duration 5-7 days), vomiting (up to 10.5%)
• Common (1% to 10%): Diarrhea, abdominal pain, abdominal discomfort, dyspepsia
• Frequency not reported: Retching

Hepatic

• Postmarketing reports: Hepatitis, increased hepatic enzyme

Hypersensitivity

• Postmarketing reports: Hypersensitivity

Metabolic

• Common (1% to 10%): Decreased appetite

Musculoskeletal

• Common (1% to 10%): Muscle spasms
• Frequency not reported: Muscular weakness

Nervous system

• Common (1% to 10%): Dizziness, headache, tremor, somnolence, syncope, lethargy
• Frequency not reported: Dysgeusia, hypersomnia, paresthesia
• Postmarketing reports: Seizures, extrapyramidal disorder

Ocular

• Frequency not reported: Blurred vision

Other

• Common (1% to 10%): Fatigue, asthenia, malaise, decreased weight, fall, laceration
• Frequency not reported: Dehydration
• Postmarketing reports: Tinnitus

Psychiatric

• Common (1% to 10%): Depression
• Postmarketing reports: Hallucinations

See also:

Further information

Benzgalantamine side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer