Noctis (Doxylamine Hydrogen Succinate)

Doxylamine hydrogen succinate blocks histamine H1 receptors in the brain and peripheral tissues. This antagonism reduces histamine‑driven wakefulness and allergic inflammation, producing a sedative effect and decreasing nasal and respiratory symptoms.

The appropriate dose of Noctis is determined by the prescribing healthcare professional based on the individual’s age, condition, and response. Typical adult dosing for insomnia is a single dose taken at bedtime, but exact amounts should follow the prescriber’s instructions.

Safety of doxylamine hydrogen succinate in pregnancy and lactation has not been definitively established. Women who are pregnant, planning pregnancy, or breastfeeding should discuss potential risks and benefits with their healthcare provider before using Noctis.

To order Noctis, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

The most common alternative to doxylamine is diphenhydramine, another first‑generation antihistamine. Both provide sedation and antiallergic effects, but doxylamine often has a slightly longer half‑life, which may result in more sustained sleep support. Side‑effect profiles are similar, though individual tolerance can vary.

Noctis should be stored at room temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keep the product out of reach of children and do not use it after the expiry date printed on the label.

Noctis is taken orally, usually with a glass of water. For insomnia, it is generally taken shortly before bedtime. If used for allergic rhinitis or cold symptoms, it can be taken with or without food as directed by a healthcare professional.

Serious risks include severe allergic reactions such as anaphylaxis, cardiac arrhythmias, and rare but severe skin reactions like Stevens‑Johnson syndrome. If any signs of these conditions appear—such as difficulty breathing, rapid heartbeat, or widespread rash—seek immediate medical attention.

Noctis should be avoided by individuals with known hypersensitivity to doxylamine or other first‑generation antihistamines, children under 12 years of age unless specifically prescribed, pregnant or breastfeeding women without medical advice, and patients with severe hepatic impairment or uncontrolled narrow‑angle glaucoma.