Strep throat requires antibiotics to clear the infection, and over-the-counter pain relievers to manage symptoms while those antibiotics do their work. The standard treatment course lasts 10 days for most antibiotics, though you’ll typically start feeling better within two to three days. Here’s what you need to know about both the prescription and non-prescription side of treating strep.
Antibiotics Are the Core Treatment
Strep throat is caused by Group A Streptococcus bacteria, and unlike a viral sore throat, it won’t resolve reliably on its own. Antibiotics kill the bacteria, shorten the duration of symptoms, reduce the chance of spreading it to others, and prevent rare but serious complications.
Penicillin and amoxicillin are the go-to choices. They’ve been the standard for decades because Group A Strep has never developed resistance to them. Amoxicillin is often preferred for children because it tastes better in liquid form and can be taken once or twice a day. Adults are typically prescribed either amoxicillin (500 mg every 8 to 12 hours) or penicillin V for 10 days.
The full 10-day course matters even though you’ll feel better long before it’s over. Stopping early allows surviving bacteria to rebound, which can lead to a relapse or, in rare cases, contribute to complications like rheumatic fever.
If You’re Allergic to Penicillin
Several alternatives exist if you have a penicillin allergy. The CDC lists cephalosporin-class antibiotics (like cephalexin) as one option, taken for 10 days. However, if your allergy involves an immediate reaction like hives, swelling, or difficulty breathing, cephalosporins are off the table because of potential cross-reactivity.
In that case, your provider will likely choose from a different class entirely. Azithromycin is a common pick, with a shorter 5-day course. Clindamycin and clarithromycin are also options, both taken for 10 days. It’s worth mentioning your specific allergy history so your provider can choose the safest fit.
Over-the-Counter Pain Relief
Antibiotics target the infection but don’t do much for the immediate misery of a raw, swollen throat and fever. That’s where ibuprofen (Advil, Motrin) and acetaminophen (Tylenol) come in. Both reduce fever and relieve throat pain effectively. You can alternate between the two if one alone isn’t enough.
One important caution for parents: never give aspirin to children or teenagers with strep throat. Aspirin in young people recovering from infections has been linked to Reye’s syndrome, a rare but potentially life-threatening condition that affects the brain and liver. Stick with ibuprofen or acetaminophen for kids.
Home Remedies That Help While You Heal
None of these replace antibiotics, but they can make the wait for relief more bearable:
- Salt water gargles. Half a teaspoon of salt in a cup of warm water, gargled and spit out, can temporarily soothe throat pain and reduce swelling.
- Warm liquids. Broth, tea with honey, or warm water with lemon keep you hydrated and coat an irritated throat. Honey has mild antibacterial and soothing properties, though it shouldn’t be given to children under one year old.
- Cold foods. Ice pops, cold water, and smoothies can numb throat pain, especially for children who refuse to drink.
- Hydration. Fever and difficulty swallowing make dehydration a real risk. Sip fluids consistently throughout the day even if swallowing hurts.
- Rest. Your body is fighting a bacterial infection. Sleep and downtime speed recovery.
When You Can Go Back to Normal
Most guidelines say you’re no longer contagious after 12 to 24 hours on antibiotics, as long as your fever has broken. That’s the typical threshold for returning to work or school. Symptoms like mild soreness and fatigue can linger a few days longer, but the contagious window closes relatively fast once treatment starts.
If you’re not feeling noticeably better after about 48 hours on antibiotics, contact your provider. That could signal a different diagnosis, an antibiotic that isn’t working, or a complication that needs attention.
Why You Shouldn’t Skip Treatment
Untreated strep throat carries a small but real risk of serious complications. Rheumatic fever, which can damage the heart valves, is the most well-known. Post-streptococcal glomerulonephritis, an inflammatory condition affecting the kidneys, is another possibility. This kidney complication isn’t a direct infection. Instead, it results from the immune system’s overreaction to the strep bacteria, and while it’s rare, it can cause long-term kidney damage, particularly in adults.
Strep can also spread locally, leading to abscesses around the tonsils or infections in the sinuses and ears. Antibiotics dramatically reduce the odds of all of these outcomes, which is why treatment isn’t optional even if symptoms feel manageable.
Getting the Right Diagnosis First
Before you take anything, you need to confirm it’s actually strep. A sore throat alone isn’t enough, since most sore throats are viral and don’t benefit from antibiotics. The rapid strep test takes about 10 to 15 minutes and can be done in most clinics and urgent care offices. If the rapid test comes back negative but your symptoms are strongly suggestive (sudden onset, fever, swollen tonsils with white patches, no cough), a throat culture may be sent out to catch cases the rapid test misses.
This step matters because taking antibiotics for a viral sore throat won’t help and contributes to antibiotic resistance. Get tested, then treat based on results.