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Medicines Beginning With N
16 medicines in the Drug Guide begin with the letter N. Every name links to a plain-language page covering what the medicine is for, its common side effects, its major cautions and — for most — a kidney note.
A B C D E F G H I K L M N O P Q R S T U V W Z
| Medicine | Brand names | Used for |
|---|---|---|
| Nadolol | Corgard | High blood pressure; Chest pain (angina) |
| Nafcillin | Nafcil | Serious staph infections in hospital; Heart valve, bone, and bloodstream infections from staph (hospital) |
| Naloxone | Narcan | Reversing opioid overdose; Suspected opioid overdose in the community (nasal spray) |
| Naltrexone | Vivitrol, ReVia | Preventing relapse in opioid use disorder after detox; Alcohol use disorder |
| Naproxen | Aleve, Naprosyn | Pain relief; Arthritis and joint pain |
| Nebivolol | Bystolic | High blood pressure; Heart failure |
| Niacin | Niaspan | High cholesterol and triglycerides; Niacin deficiency |
| Nicardipine | Cardene | High blood pressure emergencies (hospital); Chest pain (angina) |
| Nicotine | Nicoderm, Nicorette | Helping people quit smoking; Reducing withdrawal symptoms during quit attempts |
| Nifedipine | Procardia, Adalat | High blood pressure; Chest pain (angina) |
| Nirmatrelvir-ritonavir | Paxlovid | COVID-19 in higher-risk outpatients, started early; COVID-19 in higher-risk patients unable to use other first-line options |
| Nitrofurantoin | Macrobid, Macrodantin | Bladder infections (cystitis); Preventing repeated bladder infections |
| Nitroglycerin | Nitrostat, Nitro-Dur | Relieving chest pain (angina) attacks; Preventing chest pain with patches or ointment |
| Norethindrone | Micronor, Aygestin | Birth control (progestin-only pill); Treating endometriosis and abnormal uterine bleeding (higher-amount product) |
| Nortriptyline | Pamelor | Depression; Nerve pain |
| Nystatin | Mycostatin | Thrush of the mouth and throat; Yeast infections of the skin |
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.