Sore throat and tonsillitis, what helps and what does not

It starts as a scratch at the back of your throat on a Tuesday evening. By Wednesday morning, swallowing your own saliva makes you wince, your voice has gone gravelly, and you are eyeing the kettle wondering whether hot or cold will hurt less. Most of us get a few of these a year and think nothing of them.

Then occasionally one is different. The pain is sharper, one side feels worse than the other, your tonsils look like they grew overnight, and you feel genuinely rough. Telling those two apart is the point of this article: one needs a hot drink and patience, the other needs a doctor.

The short version: most sore throats are caused by viruses, and antibiotics do nothing at all to viruses. That is not doctors being stingy. It is biology, and it is why you can turn up feeling terrible and leave with advice rather than a prescription.

Viral or bacterial, and why it changes everything

A sore throat is inflammation of the throat lining. Tonsillitis means the inflammation has settled in the tonsils themselves, those two lumps of tissue at the back of your mouth. Both can be viral or bacterial, and tonsillitis is not automatically the bacterial kind, which is a common assumption and a wrong one.

Viruses cause most cases. The same ones behind an ordinary cold will happily inflame your throat on the way through, which is why a sore throat so often arrives with a blocked nose and a cough in tow. Bacteria, most often streptococcus, cause a smaller share, and those are the cases where an antibiotic may genuinely change things if a doctor judges that you need one. Nobody can be certain from symptoms alone, which is exactly the judgement a sore throat and tonsillitis assessment is built around. There are patterns, though, and they are worth knowing.

Points towards a virus	Points more towards bacteria
Runny or blocked nose, sneezing, a cough	No cough and no cold symptoms at all
Hoarse voice, throat feels raw and dry	Sudden onset, severe pain on swallowing
Mild or no fever	A definite fever and feeling properly unwell
Tonsils pink and swollen	White or yellow patches on the tonsils
Improves after two or three days	Tender, swollen glands in the neck

Read that table as a nudge rather than a verdict. Plenty of viral sore throats produce white patches and swollen glands, and some bacterial ones look unremarkable. A conversation about how you feel, not just what your throat looks like, beats peering into a mirror with a torch.

What it feels like

• Pain on swallowing that is worse with your own saliva than with food or drink
• A raw, burning or gritty feeling at the back of the throat
• Tender lumps in the neck, under the jaw or just below the ears
• Bad breath you cannot shift, and a taste to match
• Earache on the same side, because the nerves supplying the throat and ear overlap
• A croaky voice, sometimes losing it completely for a day
• Headache, aching limbs, no appetite, and that flattened feeling where nothing appeals

How long it takes and what actually helps

Most sore throats are at their worst for two or three days and then improve steadily, gone inside a week. Tonsillitis can drag a little longer and often hits harder while it lasts. If you are no better after a week, or you improved and then went backwards, that is worth a conversation.

For the days in between, small things genuinely help. Gargling with warm salty water is unglamorous and surprisingly effective. Cold drinks, ice lollies or ice cream numb the area, and many find cold easier than hot once the pain is sharp. Honey in warm water coats the throat, though not for babies under one year old. A painkiller you know you can safely take will do more for your sleep than anything else here, and sleep is where you actually recover.

Medicated lozenges and anaesthetic sprays will numb things for a while, so ask the pharmacist which suit you. Keep sipping fluids even though swallowing hurts, because a dry throat hurts more. If the cough has settled on your chest rather than your throat, our page on a chest infection and bronchitis covers that, and the wider cold and flu advice is useful if the whole family has it.

Glandular fever, the one to keep in mind in teenagers

If the person with the sore throat is a teenager or in their early twenties, the throat is very painful, the tonsils are enormous, the glands in the neck are noticeably swollen, and they are exhausted in a way an ordinary cold does not explain, glandular fever belongs on the list. It is caused by a virus, it often comes with a fever that hangs around, and the tiredness can outlast the sore throat by weeks.

Two practical points. Antibiotics will not touch it, and some antibiotics can set off a widespread rash in someone who has glandular fever, which is one more reason not to push for a prescription. Confirming it needs more than a video call can offer, so a doctor may advise a hands on assessment. Where deep tiredness lingers long after the throat has recovered, our guide to persistent fatigue and how it gets treated goes further.

When to get urgent help

A sore throat is rarely dangerous. These are the exceptions. Get help straight away if you or the person you are with has:

• Any difficulty breathing, noisy breathing, or a sense of the throat closing
• Drooling, or being unable to swallow saliva
• An inability to open the mouth fully
• Swelling on one side of the throat, or a voice that sounds muffled, as though there is a hot potato in the mouth
• A rash appearing alongside the sore throat
• A stiff neck, severe headache, or dislike of bright light
• A sore throat that is no better after a week, or one that keeps returning month after month

Call 999 for breathing difficulty, drooling, or a rash that does not fade when you press a glass against it. For everything else on that list, or if you simply cannot tell whether this is normal, call 111 for urgent advice and they will direct you.

How an online consultation works for this

You choose a time, describe what has been happening, and talk to a UK registered doctor by video. They will ask about the timeline, the fever, whether you have a cough, how swallowing and drinking are going, and what you have tried. Good lighting and a phone torch let them get a reasonable look at your throat, which with your history is usually enough to advise sensibly. Where an antibiotic is clinically appropriate they can prescribe one. Where it is not, they will explain why and what to expect over the next few days. A referral letter is available if you need onward care.

Read how appointments are arranged and check the fees in pounds on the prices page first, then book a time with a UK registered doctor. Before you log on, take your temperature, note the day the pain began, and look at your tonsils in decent light. If you have had tonsillitis repeatedly, count how many times in the last year, because that number matters if anyone is weighing up a referral.

If swallowing has become the worst part of your day and you would rather know what you are dealing with than guess, talk to a UK registered doctor and get a straight answer, including the honest answer that it is viral and will pass, if that is what it turns out to be.