Generic Name and Formulations:
Memantine HCl 5mg, 10mg; tabs.
Indications for NAMENDA:
Moderate-to-severe dementia of the Alzheimer's type.
Initially 5mg once daily; titrate at intervals of at least 1 week to 5mg twice daily, then to 5mg and 10mg as separate doses, then to 10mg twice daily (prescribe Titration Pak for 1st 4 weeks). Severe renal impairment (CrCl 5–29mL/min): titrate to max 5mg twice daily.
Severe hepatic impairment. Alkalinized urine (eg, renal tubular acidosis, severe UTI) increases memantine serum levels. Seizure disorder. Pregnancy (Cat.B). Nursing mothers.
Caution with other NMDA antagonists (eg, amantadine, ketamine, dextromethorphan). May affect or be affected by renally-excreted drugs (eg, triamterene, HCTZ, metformin, cimetidine, nicotine, ranitidine, quinidine). Plasma levels may be increased by urinary alkalinizers.
NMDA receptor antagonist.
Headache, dizziness, confusion, diarrhea, constipation, hypertension, pain, somnolence, hallucination, urinary disorders, dyspnea.
Tabs (YES); Oral soln, XR caps (NO)
Tabs—60; Titration Pak (28 x 5mg + 21 x 10mg)—1; Oral soln—360mL; XR caps 7mg, 21mg—30; 14mg, 28mg—30, 90; XR Titration Pak (7 x 7mg + 7 x 14mg + 7 x 21mg + 7 x 28mg)—1
Psychiatry Advisor Articles
- Continuing Research, Emerging Treatments Hold Promise for Treating Anorexia Nervosa
- ACOG Update: Marijuana Use Discouraged During Pregnancy, Breastfeeding
- Asenapine Prevents Recurrence of Mood Events in Bipolar Disorder
- Depression Profiles in Patients With Type 1 Diabetes vs Type 2 Diabetes
- Purpose, Questions of Social Interaction Lead Physicians to Delay Retirement
- CBT, Acceptance Commitment Therapy Helpful for Those With Chronic Pain
- Suicidal Behavior, Thoughts Associated With Perfectionist Tendencies
- Depression Reduced by Social Belonging, Feelings of Inclusion
- Sleep Disturbance May Be Causal Factor in Psychotic Experiences
- Is Antidepressant Use in Pregnancy Tied to Psychiatric Disorders in Offspring?
- SSRI Use Associated With Increased Type 2 Diabetes Risk in Young Adults
- Improved Patient-Provider Communication Needed Following Urgent Care Visits
- Cardiovascular Risk Management May Slow Neurocognitive Decline in HIV
- Maintenance rTMS for Treatment-Resistant Depression
- New Study Compares Opioid Dependence Relapse Treatments