Ramelteon: Uses, Dosage, Side Effects & Brands | MedexInfo

Ramelteon

Rx

Generic NameRamelteon

Therapeutic ClassMelatonin receptor agonist

Common Strength8 mg tablet

PregnancyUse with caution

Indications ▼

Insomnia: For adults with difficulty falling asleep (sleep onset insomnia).

Mechanism & Pharmacokinetics ▼

Mechanism: Ramelteon is a selective agonist of melatonin MT1 and MT2 receptors in the suprachiasmatic nucleus, regulating the sleep-wake cycle and promoting sleep onset without significant effects on sleep architecture.

Pharmacokinetics: Rapid oral absorption; peak plasma concentration in ~0.75 hours. Extensively metabolized in the liver (CYP1A2). Elimination half-life ~1–2.6 hours. Excreted mainly in urine as metabolites.

Dosage & Administration ▼

Indication	Dose	Frequency / Notes
Hypertension (Adults)	Losartan 50 mg + Hydrochlorothiazide 12.5 mg	Once daily; may increase to Losartan 100 mg + HCTZ 25 mg if needed

Note: Monitor blood pressure, renal function, and serum electrolytes. Dose adjustments may be required in renal or hepatic impairment.

Side Effects ▼

Dizziness

Fatigue or somnolence

Headache

Nausea

Rare: worsening depression, sleep paralysis

Contraindications ▼

Hypersensitivity to ramelteon or any component

Severe hepatic impairment (avoid use)

Drug Interaction ▼

CYP1A2 inhibitors (e.g., fluvoxamine): may increase ramelteon levels; contraindicated

CYP3A4 or CYP2C9 inhibitors: monitor for increased sedation

Alcohol or CNS depressants: additive sedative effect

Pregnancy & Lactation ▼

Pregnancy: Limited human data; use only if benefit outweighs risk

Lactation: Unknown; avoid or consult healthcare provider

Clinical / Research Summary ▼

Clinical Role: Non-benzodiazepine option for sleep onset insomnia; preserves sleep architecture.

Advantage: Low abuse potential, minimal next-day sedation, suitable for long-term use in adults.

Limitation: Not effective for sleep maintenance insomnia; caution in hepatic impairment.

Monitoring: Efficacy, daytime somnolence, mood changes.

Patient Counseling Points ▼

Take 30 minutes before bedtime

Avoid alcohol and other sedatives

Do not engage in activities requiring alertness after taking until sleep occurs

Report depression, unusual behavior, or excessive daytime sleepiness

Storage & Handling ▼

Store below 30°C

Protect from moisture and light

Keep out of reach of children

Brand Names (Bangladesh & Global) ▼

Bangladesh:

Ramelta® 8 mg

Global:

Rozerem®

Medical Disclaimer: For educational purposes only. Not a substitute for professional medical advice.

Reference Hubs:

• Drug Class: Melatonin Receptor Agonists • Condition: Insomnia • Condition: Sleep Disorders