Written for Stock My Medicine and clinically reviewed by Hajra Dhanchora, MPharm (GPhC 2216990).
Nothing kills a sore throat in two minutes, whatever the search results promise. What you can do is make it hurt a lot less within half an hour, sleep through the night, and know whether it's the kind that needs a pharmacist. Here's the honest ranking.
What kills a sore throat fast?
A full dose of a painkiller, first and always. Paracetamol or ibuprofen taken regularly, not just when it's unbearable, does more for a sore throat than any lozenge or spray, because the pain comes from inflammation deep in the tissue that nothing you suck can reach. Ibuprofen has the edge for a swollen, inflamed throat; paracetamol if you can't take anti-inflammatories. Yes, paracetamol does help a sore throat, and taking it at the first twinge beats waiting.
Lozenges and sprays: which ones actually work
Plain boiled sweets and honey pastilles work by making you produce saliva, which soothes for a few minutes. Medicated lozenges do more. Antiseptic ones such as Strepsils Triple Action reduce bacteria on the surface and take the edge off; the ones with a local anaesthetic or an anti-inflammatory such as hexylresorcinol (Strepsils Extra) numb the pain for 20 minutes or so, which is the difference between eating and not. Use one every two to three hours, not more than the pack says, and expect them to soothe rather than cure. The throat relief range covers both types.
What kills a sore throat fast overnight
The night routine that works: a painkiller dose at bedtime, an anaesthetic lozenge finished before you lie down (never fall asleep with one in your mouth), a warm drink, and something to stop your mouth drying out, whether that's a glass of water by the bed or the bedroom door open so the air isn't stale. A tablespoon of honey on its own is genuinely evidence-backed for over-1s. If a blocked nose is forcing you to mouth-breathe, that's the thing to fix.
Salt water, honey and the home remedies
Salt-water gargle (half a teaspoon in a glass of warm water, several times a day): cheap, mildly effective, not for young children. Honey and lemon: the honey is the useful part. Ice lollies and cold drinks: excellent for children who won't swallow anything else. Steam: helps if the throat is dry from a cold. Cider vinegar, garlic and cayenne have fans and no evidence.
How long does a sore throat last?
Most are viral and last about a week, with the worst on days two and three. A cold's sore throat usually fades as the runny nose starts. Glandular fever can drag on for weeks, and a sore throat that keeps returning is a reason to see a GP rather than keep treating it.
Is it strep throat? When you need a pharmacist or GP
Streptococcal throat is a bacterial infection and the one that genuinely benefits from antibiotics. The pattern: sudden severe sore throat, fever, white spots on the tonsils, swollen tender glands in the neck, and no cough. Younger children may also have a fine sandpaper rash (scarlet fever), which needs a GP the same day. In England the NHS Pharmacy First scheme lets a pharmacist assess a sore throat in anyone aged 5 and over and supply antibiotics where the signs fit, without a GP appointment. See a GP or call 111 urgently if you can't swallow saliva or are drooling, breathing is difficult, one side of the throat is swelling more than the other, or you have a high fever with a stiff neck. Otherwise, if it isn't easing after a week, get it checked. Our pharmacist can advise on symptoms first. If you're not sure whether it's a cold or flu, our guide to telling them apart helps.
Sore throat in children
Children get more sore throats than adults and most are viral. Give paracetamol or ibuprofen at the dose for their age and weight, cold drinks and ice lollies, and soft food. Medicated lozenges are for older children only: most are licensed from 6 or 12, and a lozenge is a choking risk under 6, so use a spray or a soothing drink instead. Watch for the strep pattern: a sudden sore throat with fever, swollen glands, no cough and white spots on the tonsils, and in children a fine, sandpapery pink rash on the chest and neck, which is scarlet fever and needs a GP the same day for antibiotics. A child who is drooling, can't swallow, is breathing noisily or is very drowsy needs urgent help.
A sore throat that won't go away
Most sore throats are gone in a week. When one drags on for two or three weeks, the usual causes aren't infections at all: acid reflux burning the back of the throat overnight, post-nasal drip from hay fever or a sinus problem, mouth-breathing from a blocked nose, smoking or vaping, dry indoor air, or straining the voice. Glandular fever causes a severe sore throat with exhaustion that lasts weeks, mainly in teenagers and young adults. A one-sided sore throat with earache, a lump in the neck, hoarseness lasting more than three weeks, or difficulty swallowing food needs a GP, particularly over 50 or in smokers.
What to eat and drink with a sore throat
Cold is kinder than hot for most people: iced water, ice lollies, yoghurt, smoothies. Warm (not scalding) drinks with honey and lemon soothe as well. Soft foods such as soup, mashed potato, scrambled egg and porridge go down without scraping. Avoid crisps, toast crusts, very spicy or acidic food and alcohol, all of which sting inflamed tissue. Keep drinking even when swallowing hurts, because dehydration makes the throat drier and sorer, and it's the main reason children with sore throats end up unwell.
What a pharmacist can do under Pharmacy First
In England, a pharmacist can assess a sore throat in anyone aged 5 and over without a GP appointment. They'll score the signs (fever in the last 24 hours, pus on the tonsils, a sudden onset, tender neck glands and the absence of a cough) and, if the pattern points to a bacterial infection, supply antibiotics on the spot. If it doesn't, they'll recommend the right pain relief and lozenges. Either way it's faster than waiting for a GP slot, and you can start with a question to our pharmacist.
Frequently asked questions
Do I need antibiotics for a sore throat?
Usually not; most are viral and antibiotics do nothing for them. The strep pattern above is the exception, and a pharmacist can assess it.
Can hay fever cause a sore throat?
Yes, from post-nasal drip and mouth-breathing. An antihistamine and a steroid nasal spray fix the cause; lozenges only soothe.
Can I use lozenges and a painkiller together?
Yes, and that's the best combination. Just don't add a second product containing the same painkiller.
Do throat sprays work better than lozenges?
Sprays put an anaesthetic exactly where it hurts and suit people who can't suck a lozenge, but they wear off faster. Lozenges keep the throat moist for longer. Many people use a spray for the first hour and lozenges after.