Most people recover from COVID-19 within one to two weeks, but the choices you make in the first few days can meaningfully affect how long you feel sick. The biggest factor in speeding recovery is starting antiviral treatment early if you’re eligible, followed by consistent rest, hydration, and smart symptom management. Here’s what actually works.
Start Antiviral Treatment Within 5 Days
The single most effective way to shorten a COVID infection is antiviral medication, and the window for starting it is narrow. Paxlovid needs to be taken within five days of your first symptoms, ideally as soon as possible. In clinical trials, it reduced the risk of hospitalization and death by 87% in unvaccinated patients at higher risk for severe disease. It’s a five-day, twice-daily course.
Not everyone qualifies. Paxlovid is primarily prescribed for people at higher risk of severe illness: older adults, those with chronic conditions like diabetes or heart disease, and immunocompromised individuals. It also interacts with a long list of medications, so your provider will need to review what you’re currently taking. If you test positive and think you might be eligible, contact your doctor or a telehealth service the same day. Waiting even a day or two reduces the drug’s effectiveness.
About 1 in 5 people who take Paxlovid experience what’s called rebound, where symptoms return after finishing the course. The leading theory is that when the drug clears your system after five days, residual virus can briefly flare up again. Rebound is generally mild and resolves on its own, but it’s worth knowing about so you don’t panic if your symptoms come back.
Manage Fever and Pain Strategically
Over-the-counter pain relievers are your main tools for controlling fever, headaches, and body aches. Both acetaminophen (Tylenol) and ibuprofen (Advil, Motrin) are safe to use with COVID. Follow the dosing guidelines on the label carefully, especially for acetaminophen, since higher doses can damage your liver. Naproxen (Aleve) is another option that works well for some people. A single dose can keep fever down and reduce body aches for up to 12 hours, which makes it particularly useful at night when you want uninterrupted sleep.
For congestion, a standard decongestant or saline nasal rinse can help you breathe and sleep more comfortably. Cough suppressants containing dextromethorphan can quiet a persistent cough enough to let you rest. Sore throats respond well to lozenges, warm liquids, and honey mixed into tea. The goal isn’t to eliminate every symptom but to keep them manageable enough that your body can focus its energy on fighting the virus rather than keeping you awake and miserable.
Hydration Matters More Than You Think
Fever, sweating, and reduced appetite all drain your fluid levels quickly during a COVID infection. Your body needs more water than usual to support the immune response and replace what it’s losing. Under normal conditions, adults need roughly 11.5 to 15.5 cups of total fluid per day. When you’re sick with a fever, that baseline goes up.
Water is fine, but broth and electrolyte drinks are better choices if you’re sweating heavily, vomiting, or dealing with diarrhea. Broth has the added benefit of providing some calories and sodium when your appetite is gone. Sip steadily throughout the day rather than trying to gulp large amounts at once. If your urine is dark yellow, you’re not drinking enough.
On the nutrition side, eating even small amounts helps. Your immune system is burning through energy and protein to produce antibodies and fight the virus. Soups, eggs, yogurt, and fruit are easy on the stomach and provide the building blocks your body needs. Don’t force large meals, but try not to go the whole day on nothing but crackers.
Rest Aggressively in the First Few Days
This sounds obvious, but most people underestimate how much rest they actually need. The first three to five days are when your immune system is working hardest, and physical or mental exertion diverts resources away from that fight. “Pushing through” a COVID infection doesn’t make you recover faster. It often does the opposite.
Sleep as much as your body wants to. Cancel obligations. Stay off your feet. If you work from home and feel tempted to log on, recognize that even moderate cognitive effort is a form of stress your body has to manage. The people who recover fastest tend to be the ones who treat the first few days like they’re genuinely sick, not the ones who try to stay productive.
What About Supplements?
Vitamin D and zinc are the two supplements most commonly discussed for COVID recovery, but the evidence is mixed at best. The NIH states that data are insufficient to recommend either one for treating COVID-19.
One small trial found that higher-dose vitamin D shortened the duration of coughing by about three days and loss of taste by about five days compared to a lower dose. But it had no effect on fever, fatigue, headaches, body aches, or other symptoms. For zinc, a well-designed trial of 214 adults found that 50 mg of zinc daily for 10 days did not shorten symptom duration at all. A separate study in Tunisia did find that zinc shortened symptoms by about three days in outpatients, though concerns were raised about errors in the data.
If you’re already deficient in vitamin D or zinc, supplementing makes sense for your overall immune function. But there’s no strong evidence that loading up on either one will noticeably speed your COVID recovery. Don’t rely on supplements as a substitute for rest, fluids, and antivirals.
When You Can Return to Normal Activities
The CDC’s current guidance says you can return to normal activities once your symptoms have been improving overall for at least 24 hours and any fever has been gone for 24 hours without using fever-reducing medication. That second part is important: if you only feel fever-free because you took ibuprofen two hours ago, the clock hasn’t started yet.
Even after you meet those benchmarks, take it easy for a few more days. Your body is still recovering even after the acute phase ends. When resuming exercise, start at a level where you can comfortably hold a conversation without feeling breathless. Only increase intensity when you can maintain your current level without symptoms flaring up. If you’re still struggling with exercise 8 to 12 weeks after recovery, that’s worth discussing with your doctor.
Warning Signs That Need Immediate Attention
Most COVID infections resolve at home without complications, but certain symptoms signal that things are heading in a dangerous direction. A pulse oximeter, available at most pharmacies for under $30, lets you monitor your blood oxygen levels. If your reading drops below 95%, call your healthcare provider. Readings in the low 90s or below warrant urgent or emergency care.
Other red flags include difficulty breathing that’s getting worse rather than better, persistent chest pain or pressure, confusion or inability to stay awake, and lips or nail beds turning bluish. These symptoms can develop suddenly, sometimes on day 5 to 10 of illness, even in people who initially felt like they had a mild case.