Strep throat requires antibiotics to fully clear the infection. Over-the-counter remedies and home care can ease your symptoms, but they won’t kill the bacteria causing the problem. Most people start feeling noticeably better within 24 to 48 hours of their first antibiotic dose, and you become non-contagious within about 12 hours of starting treatment.
Antibiotics Are the Only Way to Clear the Infection
Amoxicillin or penicillin is the standard first-line treatment. Your doctor will typically prescribe a 10-day course, even though you’ll feel better well before it’s finished. Completing all 10 days matters because stopping early lets surviving bacteria rebound and increases the risk of complications like rheumatic fever (which can damage the heart) or kidney inflammation.
If you’re allergic to penicillin, there are several alternatives your doctor can prescribe instead. The specific choice depends on the type of allergy you have. Some options run the full 10 days, while one common alternative is a 5-day course.
Untreated strep doesn’t just linger. It can trigger serious inflammatory reactions throughout the body, including scarlet fever, joint inflammation, and conditions affecting the heart and kidneys. These complications are rare when antibiotics are taken as directed, but the risk is real enough that strep is one of the sore throats worth getting tested for.
Getting the Right Diagnosis
Most clinics use a rapid strep test, which gives results in minutes by detecting proteins from the bacteria on a throat swab. These tests are excellent at confirming you don’t have strep (specificity above 97%), but they miss some true cases. Sensitivity ranges from about 56% to 90% depending on the clinic, meaning a negative rapid test doesn’t always rule strep out.
If your rapid test comes back negative but your doctor still suspects strep based on your symptoms, they may send a throat culture to a lab. Cultures take one to two days but are more reliable. This is especially common with children, where catching strep matters most for preventing complications.
Pain Relief While You Recover
Antibiotics kill the bacteria, but they don’t do much for the raw, swollen feeling in your throat during the first day or two. Ibuprofen or acetaminophen will help with both pain and fever. Avoid giving aspirin to children or teenagers, as it’s been linked to Reye’s syndrome, a rare but serious condition.
Salt water gargles are a time-tested home remedy, and there’s some science behind them. A hypertonic salt solution pulls fluid and debris out of swollen tissue, which can temporarily reduce pain and swelling. One study found that regular gargling reduced the duration of upper respiratory illness by nearly two days. While most of this research focused on viral infections rather than strep specifically, the soothing effect on an inflamed throat is real and low-risk. Mix about half a teaspoon of salt into a cup of warm water and gargle several times a day.
Cold liquids, popsicles, and soft foods can also help. Staying well hydrated is important, especially if you have a fever. Warm broth and tea with honey (for anyone over age one) are other options that feel good on a sore throat.
Preventing Spread to Others
Strep spreads through respiratory droplets, so coughing, sneezing, and sharing drinks or utensils are the main transmission routes. You stop being contagious about 12 hours after your first antibiotic dose. Schools and daycares typically require children to stay home until that 12-hour window has passed.
While you’re sick, wash your hands frequently, avoid sharing cups or silverware, and cover coughs and sneezes. Replace your toothbrush within 24 hours of starting antibiotics. If you can’t replace it right away, soak it in hydrogen peroxide for 10 to 15 minutes and rinse with hot water. The same goes for retainers, night guards, or any oral appliance: clean them daily with a sanitizing solution while you’re recovering.
What to Do About Recurring Strep
Some people, especially children, seem to catch strep over and over. If this is your situation, there are a few things to consider. Incomplete antibiotic courses are a common culprit. Feeling better after three or four days and stopping the medication lets the infection return. Household transmission is another factor. If someone in your home carries the bacteria without symptoms, they can reinfect you after you finish treatment. In these cases, a doctor may test close contacts.
For truly frequent recurrences, tonsillectomy becomes an option. The standard clinical threshold, known as the Paradise Criteria, is seven or more episodes in one year, five or more per year for two consecutive years, or three or more per year for three consecutive years. Each episode also needs to meet certain criteria: fever above 101°F, swollen lymph nodes, visible pus on the tonsils, or a positive strep test. These thresholds exist because tonsillectomy carries its own recovery and risks, so it’s reserved for cases where the pattern is clearly documented and disruptive to daily life.
Recovery from a tonsillectomy typically takes one to two weeks, with significant throat pain during the healing period. For children who meet the criteria, though, it can dramatically reduce the cycle of repeated infections.