What Teas Are Good for COVID Symptoms?

Several widely available teas can ease common COVID symptoms like sore throat, congestion, cough, and fatigue, though the benefit comes more from hydration, warmth, and mild anti-inflammatory compounds than from any direct antiviral punch. Green tea, ginger tea, peppermint tea, and a handful of other herbal options each bring something slightly different to the table. The science behind them is a mix of solid evidence for general respiratory symptom relief and more preliminary lab-based findings specific to SARS-CoV-2, so it helps to know which claims hold up and which are getting ahead of themselves.

Why a Cup of Anything Warm Already Helps

Before getting into specific teas, the simplest reason any hot beverage helps during COVID is that it delivers fluid and warmth to irritated airways. Dehydration worsens mucus thickness, sore throat pain, and fatigue. Warm liquids promote nasal drainage and can temporarily soothe an inflamed throat just through heat and moisture. If you are feverish, losing fluid through sweat, or not eating much, a cup of tea is doing real work just by keeping you hydrated. Everything else a particular tea might offer is layered on top of that baseline benefit.

Green Tea

Green tea is the most studied tea in connection with COVID, largely because of a compound called EGCG (epigallocatechin gallate). In laboratory settings, EGCG at high concentrations has been shown to neutralize SARS-CoV-2 and eliminate virus-induced damage to cells.¹ Other lab work has found that an oxidized form of EGCG docks strongly against a key enzyme the virus needs to replicate.² These are genuinely interesting findings, but a critical gap exists between what happens in a petri dish and what happens in your body. The concentrations used in these experiments are far higher than what a cup or even several cups of green tea delivers to your bloodstream.

Where the evidence is more grounded is green tea’s anti-inflammatory activity. Reviews of human studies have found that green tea and its catechins show beneficial effects against inflammatory conditions, largely by acting as antioxidants that tamp down overactive inflammatory signaling.³ Since much of what makes COVID miserable is your own immune system’s inflammatory response, a drink that gently dials that down has a plausible mechanism for making you feel a bit better. Green tea polyphenols have also been shown, in cell studies, to reduce levels of inflammatory markers like IL-6 and TNF-α in a dose-dependent way.⁴ Those are two of the same inflammatory molecules that spike during severe COVID infections.

One large randomized controlled trial tested whether gargling with green tea could prevent COVID infection among healthcare workers. The results were underwhelming: about 5.4% of participants in both the green tea gargling group and the plain water gargling group developed COVID, with no statistically significant difference.⁵ This tells us that swishing green tea around your mouth and throat does not block infection, which is not the same question as whether drinking it eases symptoms once you are already sick, but it is a useful reality check on overhyped claims.

Black Tea

Black tea comes from the same plant as green tea but is more heavily oxidized during processing, which transforms its catechins into compounds called theaflavins. A review of tea polyphenols and COVID found that theaflavins, particularly one called theaflavin-3,3′-digallate, showed significant interaction with SARS-CoV-2 binding sites in computer modeling (docking) studies.⁶ Again, this is lab and computational work, not clinical proof. But if you prefer black tea over green, the general anti-inflammatory and antioxidant story is similar, and you are not missing out on the practical benefits of warmth, hydration, and throat-soothing.

Black tea does contain more caffeine than green tea on average, so if you are trying to rest and sleep through a bad stretch of illness, you might want to limit it to morning cups or switch to decaf versions later in the day. Sleep matters more for recovery than any polyphenol.

Ginger Tea

Ginger is one of the better-supported options for COVID symptoms because it works on two fronts: nausea and inflammation. The active compounds in ginger, particularly 6-gingerol and 6-shogaol, reduce inflammatory signaling through several pathways and lower levels of pro-inflammatory mediators and oxidative stress.⁷ For people dealing with the GI symptoms that accompany some COVID infections, ginger’s well-established anti-nausea properties are a genuine advantage over plain green or black tea.

A randomized, triple-blind trial in COVID patients compared ginger supplementation, turmeric supplementation, and placebo. Both ginger and turmeric groups saw significant drops in CRP (a common blood marker of inflammation) while the placebo group’s CRP actually rose. The ginger group had a median CRP reduction roughly three and a half times larger than the turmeric group, and both performed significantly better than placebo.⁸ This is one of the few pieces of clinical trial evidence in actual COVID patients, and it suggests ginger has a measurable anti-inflammatory effect beyond subjective comfort.

Making ginger tea is straightforward: slice or grate fresh ginger root into hot water and steep for five to ten minutes. The stronger the brew, the more of those active compounds you are extracting. Honey and lemon are common additions that bring their own benefits.

Peppermint Tea and the Menthol Effect

Peppermint tea is the go-to when nasal congestion is your dominant symptom, and the reason is menthol. What menthol does is genuinely clever: it triggers cold-sensitive receptors in your nasal passages, creating a subjective sensation that your nose is more open, even though the actual physical airflow through your nose has not changed. Multiple studies have confirmed this. One found that oral menthol produced significant improvement in the subjective sensation of nasal airflow without any change in measured nasal airway resistance.⁹ Another confirmed that inhaling menthol increased the perception of nasal openness compared to placebo.¹⁰ And a third demonstrated that this is a direct stimulation of cold receptors creating the feeling of a clear nose, not an actual physical decongestant effect.¹¹

You might think a “trick” on your brain is not real relief, but when you are lying in bed unable to breathe comfortably through your nose, the perception of airflow is what determines your misery. Peppermint tea delivers menthol both through the liquid you drink and through the steam you inhale while the cup is in your hands. It will not cure your congestion, but it can make the next hour or two significantly more tolerable.

Adding Honey to Any Tea

Stirring honey into your tea is not just about flavor. A systematic review and meta-analysis found that honey improved combined symptom scores, cough frequency, and cough severity compared to usual care in people with upper respiratory tract infections.¹² A separate systematic review looking at pediatric patients came to a similar conclusion, finding that honey formulations relieved upper respiratory infection symptoms more effectively than usual care and could help reduce unnecessary antibiotic use.¹³

Honey coats the throat, which eases the raw feeling that makes swallowing painful and reduces the cough reflex. It also has mild antimicrobial properties of its own. One important caveat: honey should never be given to children under one year old due to the risk of infant botulism. For everyone else, a spoonful in a warm cup of any tea on this list is one of the simplest evidence-backed things you can do for a cough and sore throat.

Other Herbal Options Worth Considering

Several other herbal teas come up in conversations about COVID symptoms, and the evidence behind them varies considerably.

Licorice root tea contains glycyrrhizin, which was shown in lab studies to potently inhibit SARS-CoV-2 replication by blocking a key viral enzyme.¹⁴ Licorice also has broader antiviral and anti-inflammatory properties documented across various studies.¹⁵ The catch with licorice root is that glycyrrhizin can raise blood pressure and lower potassium levels, especially with regular consumption. People on blood pressure medication, heart medications, or corticosteroids should avoid it or use deglycyrrhizinated versions.

Chamomile tea is the classic bedtime drink, and while it has no specific evidence against COVID, rest is one of the most important things your body needs during infection. A controlled trial found that chamomile tea improved sleep quality and reduced depression symptoms in the short term.¹⁶ If COVID is keeping you from sleeping, chamomile at night is a reasonable choice, though the study found the benefits faded after the intervention period ended.

Elderberry preparations have a complicated reputation. A systematic review found uncertain evidence that elderberry may reduce the duration and severity of colds and possibly influenza, but it did not appear to prevent catching a cold in the first place.¹⁷ Its role in COVID specifically is unstudied in clinical trials. Some immunologists raised early concerns that elderberry could theoretically worsen the overactive immune response (“cytokine storm”) seen in severe COVID, though this has not been confirmed or refuted in human studies. If your symptoms are mild, elderberry tea is likely fine; if you are seriously ill, it is not the time to experiment.

Echinacea tea is widely sold for cold and flu support. Clinical trials have shown it can reduce the incidence and duration of common colds, and lab studies demonstrate some antiviral activity against respiratory viruses including coronaviruses.¹⁸ How much of this translates to a cup of echinacea tea versus a standardized supplement extract is uncertain, since most trials use concentrated preparations rather than simple infusions.

The Gap Between Lab Studies and Your Teacup

One pattern you may have noticed: much of the COVID-specific evidence for tea compounds is “in vitro” or “in silico,” meaning it comes from cell cultures or computer simulations rather than from people drinking tea and getting better. This matters more than you might think. A compound that destroys a virus in a lab dish at a concentration of, say, 100 micromolar may never reach anywhere near that concentration in your bloodstream from a normal dietary intake. The digestive system breaks down many polyphenols, and what survives gets diluted across your entire body.

That said, one Mendelian randomization study found that a genetic tendency toward higher tea consumption was associated with a modest reduction in the risk of SARS-CoV-2 infection, with about a 13% lower risk among people genetically predisposed to drink more tea.¹⁹ This type of study is designed to reduce the influence of confounding factors like lifestyle differences, though it has its own limitations. The same study found no statistically significant link between tea consumption and the severity of COVID once someone was hospitalized.

Ecological comparisons between countries with high and low green tea consumption have also found striking differences in COVID morbidity and mortality.²⁰ These country-level comparisons are intriguing but are considered weak evidence on their own because so many other factors differ between countries. They generate hypotheses more than they prove them.

The honest picture: tea is not a COVID treatment in the medical sense. No tea will clear the virus from your body faster in the way an antiviral medication like Paxlovid can. What teas can do is make the experience of being sick less miserable by soothing your throat, easing congestion, calming cough, reducing some inflammatory activity, keeping you hydrated, and helping you sleep. For most people with mild to moderate COVID, that is exactly the kind of help they are looking for.

Safety Concerns and Drug Interactions

Tea is generally safe, but a few situations require caution. If you are taking Paxlovid (nirmatrelvir/ritonavir) or another ritonavir-boosted antiviral for COVID, be aware that some herbal preparations can interact with the drug-metabolizing enzymes these medications rely on, potentially changing how much drug ends up in your system.²¹ A broader review of potential interactions between herbal preparations and anti-COVID drugs flagged that widely used herbal formulas can affect the efficacy and safety of antiviral medications.²² Ordinary green or black tea in normal quantities is unlikely to cause problems, but concentrated herbal extracts, licorice root, and supplements marketed as high-dose tea compounds deserve more caution. If you are on a prescribed COVID antiviral, mention any herbal products you are using to your pharmacist.

Green tea also contains vitamin K and can affect blood thinners like warfarin, and its caffeine can interact with certain heart medications. These are not COVID-specific concerns, but they become relevant if you suddenly start drinking five cups a day because you are sick.

How Hot Is Too Hot

There is a temptation when sick to drink the hottest possible liquid, thinking it will kill germs or open airways faster. Research has consistently found that very hot beverages are associated with increased risk of esophageal damage over time: a systematic review found that the majority of studies on tea drinking temperature and esophageal cancer reported an increased risk with high-temperature consumption, with the association reaching statistical significance in most of them.²³ This is a long-term risk from habitual scalding-hot drinking, not something a week of hot tea during COVID will cause. But it is worth letting your tea cool for a few minutes before drinking. Comfortably warm is just as soothing as painfully hot, and you will actually taste it better.

Putting Together a Practical Tea Rotation

If you are home with COVID and want to use tea strategically, a reasonable approach is to rotate based on your symptoms throughout the day. Green or black tea in the morning gives you a mild caffeine lift along with anti-inflammatory catechins or theaflavins, which helps when fatigue is dragging you down. Ginger tea after meals can settle nausea and continue working on inflammation. Peppermint tea when congestion peaks gives you that subjective breathing relief through menthol. Chamomile at bedtime helps you wind down. And stirring honey into any of them gives your cough the best over-the-counter-level relief you can get from a kitchen ingredient.

None of these replace medical care if your symptoms are severe, if you are having trouble breathing, or if you are in a high-risk group. Antivirals, when prescribed early, have strong evidence for reducing serious outcomes in ways no tea can match. But for the majority of people riding out a mild or moderate case at home, a well-chosen cup of tea is one of the most pleasant and genuinely useful things you can reach for.