Memantine 10 mg Tablets — Generic For Namenda — Ajanta

Medication Summary

Medication Summary: This section summarizes DailyMed drug label information to make the label easier to understand. It is not a substitute for the official label, pharmacist counseling, prescriber instructions, or medical advice.

Overview

Memantine hydrochloride tablets are prescribed for the treatment of moderate to severe dementia of the Alzheimer’s type. The label says memantine is an NMDA receptor antagonist.

The recommended starting dose is 5 mg once daily, with increases by 5 mg at weekly intervals as tolerated. The dose shown to be effective in controlled clinical trials is 20 mg/day. Tablets may be taken with or without food.

If a dose is missed, the next dose should be taken as scheduled and not doubled. If memantine has not been taken for several days, it may need to be restarted at a lower dose and increased again.

Common side effects in trials included dizziness, headache, confusion, and constipation.

Storage Information

Store memantine hydrochloride tablets at 25°C (77°F); excursions permitted to 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature]. Store memantine hydrochloride tablets at room temperature between 59°F to 77°F (15°C to 30°C).

Key Counseling Points

• Take memantine exactly as prescribed and follow the dose increase schedule.
• The medicine can be taken with or without food.
• Do not double the next dose if you miss a dose.
• If you stop taking it for several days, ask about restarting at a lower dose and increasing again.
• Tell your clinician if you have severe kidney problems, since a lower dose is recommended.
• Use caution and mention other medicines if they may make urine more alkaline, such as sodium bicarbonate or carbonic anhydrase inhibitors.
• Use caution with other NMDA antagonists such as amantadine, ketamine, or dextromethorphan.
• Common side effects reported in trials included dizziness, headache, confusion, and constipation.
• Seek urgent help for signs of overdose such as severe confusion, agitation, sleepiness, vomiting, or loss of consciousness.

Helpful Patient Education

Memantine hydrochloride tablets are an oral prescription medicine used for the treatment of moderate to severe dementia of the Alzheimer’s type. The label describes it as an NMDA receptor antagonist and notes that the usual dose is increased gradually from a starting dose of 5 mg once daily to a maintenance dose of 10 mg twice daily.

This product information reflects DailyMed labeling for patient education. It includes common adverse reactions reported in studies, important interaction cautions, and dosing considerations for patients with severe renal impairment or severe hepatic impairment.

Medication Summary last generated: 2026-07-11 03:04:46