Tylenol Sinus (and Sinus Severe)

Informational only — not medical advice. Always consult a licensed healthcare provider or pharmacist before taking any medication. In case of overdose call Poison Control: 1-800-222-1222 (US) or 911.

Tylenol Sinus is a family of combination medicines that pair the pain and fever reliever acetaminophen with a nasal decongestant to ease sinus pressure, sinus headache, and congestion at the same time. The lineup includes Tylenol Sinus + Headache and the broader-coverage Tylenol Sinus Severe, which adds ingredients for cough and mucus. Because these are multi-ingredient products, the single most important safety point is simple: they contain acetaminophen, so they must be counted toward your daily acetaminophen limit and should never be doubled up with other Tylenol or acetaminophen products.

This guide breaks down what each active ingredient does, how the standard and Severe versions differ, who should be cautious with the decongestant, and how to use these products without accidentally overdoing the acetaminophen.

What is Tylenol Sinus?

Tylenol Sinus is an over-the-counter combination product designed for the specific misery of a sinus cold or sinus infection: facial pressure, a pounding sinus headache, a stuffy nose, and sometimes fever. Rather than treating each symptom with a separate pill, it bundles two jobs into one dose.

The two core jobs are:

• Relieving pain and fever — handled by acetaminophen, the same active ingredient in regular Tylenol.
• Clearing a stuffy nose — handled by a decongestant that shrinks swollen blood vessels in the nasal passages, opening the airway and easing pressure.

The exact ingredients vary by version and by where you buy it, which is why reading the Drug Facts panel on your particular box matters. The name on the front tells you the intended use; the panel on the side tells you exactly what is inside.

What are the active ingredients in Tylenol Sinus?

Each active ingredient in a Tylenol Sinus product has a defined role. Understanding those roles makes it easy to see why the cautions differ from plain Tylenol.

Acetaminophen — the pain and fever piece

Acetaminophen (paracetamol outside North America) is the workhorse for the aching, feverish feeling of a sinus cold. It is generally well tolerated at labeled doses, but the daily limit applies to total acetaminophen from every source, so the amount inside a Sinus product is part of your daily budget. For the full picture on ceilings, see the maximum dose in 24 hours.

The decongestant — the stuffy-nose piece

A decongestant relieves congestion by tightening blood vessels in swollen nasal tissue. On-shelf daytime Tylenol Sinus products usually use phenylephrine HCl. Some versions use pseudoephedrine, a stronger decongestant that US pharmacies keep behind the counter and sell in limited quantities because it can be misused to make illegal drugs. Both work similarly for the user but carry the cardiovascular and stimulant cautions described below.

Sinus Severe extras — cough and mucus

Tylenol Sinus Severe widens the coverage. It typically adds dextromethorphan, a cough suppressant that calms a dry cough, and often guaifenesin, an expectorant that thins mucus so a productive cough clears more easily. These extras make Severe versions better for a congested, coughing cold and unnecessary for simple pressure-and-pain days.

What is in Tylenol Sinus Severe specifically?

Tylenol Sinus Severe is built for a cold that has moved past simple pressure into coughing and heavy mucus. On top of the acetaminophen-plus-decongestant base, a Severe formula typically carries a cough suppressant and an expectorant so that one product can address four symptoms at once: pain and fever, congestion, cough, and mucus.

Because Severe versions carry more ingredients, they also carry more reasons for caution. Every added active is another thing to check against what else you are taking. If your cold is really just facial pressure and a stuffy nose without much cough, a standard Sinus product is the cleaner match — taking the Severe version would mean swallowing a cough suppressant you do not need. The Drug Facts panel is the deciding source, since exact Severe formulas differ between the day and night versions and can change over time.

How is Tylenol Sinus different from Tylenol Cold & Flu?

The products overlap, and the difference is mostly one of emphasis. Tylenol Sinus is built around sinus pressure, sinus headache, and nasal congestion, so its core is acetaminophen plus a decongestant. Tylenol Cold & Flu products aim at a broader set of cold and flu symptoms and may add a cough suppressant, an expectorant, and sometimes an antihistamine for nighttime versions. If your main complaint is facial pressure and a blocked nose, a Sinus product fits; if you also have body aches, sore throat, and a heavy cough, a cold-and-flu product may match better. Compare options in our guide to Tylenol Cold & Flu.

Whichever you pick, the same rule holds: read the label, and never combine two acetaminophen products.

Which version should I choose?

Match the product to your symptoms rather than reaching for the “strongest” box by default.

Taking a product with ingredients you do not need adds risk without benefit. If you have no cough, you do not need dextromethorphan; if you only have congestion, you may not need acetaminophen at that moment.

Who should be cautious with Tylenol Sinus?

The decongestant is the ingredient that drives most of the cautions, because it acts on blood vessels and the nervous system.

• People with high blood pressure or heart disease. Decongestants can raise blood pressure and heart rate. Ask a doctor or pharmacist first, and consider a decongestant-free product.
• People with thyroid disease or diabetes. These conditions can be affected by stimulant-type decongestants.
• People with an enlarged prostate. Decongestants can worsen difficulty urinating.
• Anyone taking a MAOI (a type of antidepressant or Parkinson’s medication), now or within the past two weeks. Combining a decongestant with an MAOI can cause a dangerous spike in blood pressure. This is a firm do-not-combine.
• People sensitive to stimulation. Decongestants may cause jitteriness, a racing feeling, or insomnia — avoid daytime versions near bedtime.
• People with liver disease or who drink alcohol regularly. The acetaminophen component means lower liver reserve matters here; see Tylenol and liver damage for detail.

For a broader list of medicines that interact with acetaminophen and decongestants, review our overview of common Tylenol interactions.

Tylenol Sinus vs Sudafed: what’s the difference?

People often line these two up, and the distinction is straightforward once you look at the ingredients. Sudafed is essentially a decongestant on its own — the classic behind-the-counter version is pseudoephedrine, and an on-shelf version uses phenylephrine. It relieves a stuffy nose but does nothing for pain or fever. Tylenol Sinus is a combination: it contains a decongestant plus acetaminophen, so it also tackles the sinus headache, facial ache, and fever that a decongestant alone leaves untouched.

That difference drives a practical warning. If you take Tylenol Sinus and then add a separate Sudafed for extra congestion relief, you may double up on the decongestant — the very ingredient that raises blood pressure and can cause jitteriness. Conversely, taking Sudafed for congestion and plain Tylenol for the headache is a way to control each ingredient separately, which some people prefer, especially if they want to avoid a decongestant at night. The single-product convenience of Tylenol Sinus is real, but so is the risk of accidentally stacking ingredients when you combine products.

Can I take Tylenol Sinus at night?

Only if the box says so. Standard daytime Tylenol Sinus contains a decongestant that can be stimulating, so taking it near bedtime may leave you lying awake. Manufacturers make dedicated night or PM sinus versions for exactly this reason; those formulas often swap in or add an ingredient meant to help with sleep and congestion at night. Reach for a labeled night product rather than taking a daytime one late and hoping for the best.

Do not solve nighttime congestion by taking a daytime Sinus product plus a separate PM sleep aid without checking labels, because a PM product may itself contain acetaminophen — which would stack acetaminophen on top of the acetaminophen already in the Sinus dose. If sleep is the main problem during a cold, our overview of Tylenol Cold & Flu options can help you find a night formula designed for it.

How much acetaminophen am I really taking?

This is the calculation that trips people up. A Tylenol Sinus dose contributes a set amount of acetaminophen, and that amount has to be added to everything else you take that day. The daily maximum is a limit on total acetaminophen from every source combined, according to FDA Drug Facts labeling — not a separate allowance per product.

Consider a common mistake: someone takes Tylenol Sinus during the day for congestion, then reaches for Extra Strength Tylenol at night for a headache, then rounds out the evening with a PM cold product. Each contains acetaminophen, and together they can quietly cross the daily ceiling without the person ever feeling like they took “too much Tylenol.” On labels, acetaminophen is sometimes abbreviated APAP, so scan every Drug Facts panel for either word. Our detailed walkthrough of the maximum dose in 24 hours shows how to keep a running total.

How do I use Tylenol Sinus safely?

The safe-use rules follow directly from what is inside the box.

1. Read the Drug Facts label on your specific product and follow its dosing and interval. Do not exceed the stated dose.
2. Count the acetaminophen. Add the acetaminophen in Tylenol Sinus to anything else you have taken. Do not combine it with Extra Strength Tylenol, other acetaminophen products, or cold and PM medicines that contain acetaminophen (sometimes shown as “APAP”).
3. Don’t stack decongestants either — using a Sinus product plus a separate decongestant nasal spray or pill can overdo that ingredient.
4. Watch the clock for the decongestant. Prefer daytime dosing to avoid sleep disruption unless using a night formula.
5. Limit the course. Over-the-counter sinus symptoms that last more than about a week, or come with a high or persistent fever, warrant a call to a clinician rather than more days of self-treatment.

Tylenol Sinus treats symptoms; it does not cure a sinus infection. If a bacterial sinus infection is present, only a clinician can decide whether other treatment is needed.

When should I see a doctor?

Self-care is reasonable for a typical viral sinus cold, but some situations need professional attention. Contact a clinician if symptoms last beyond a week or keep getting worse, if you have a high fever, severe facial or tooth pain, swelling around the eyes, a stiff neck, or if you have a chronic condition such as heart disease or high blood pressure and are unsure whether a decongestant is safe for you. When a headache is the dominant symptom rather than congestion, our page on Tylenol for headache may help you pick the right product.

Bottom line

Tylenol Sinus and Tylenol Sinus Severe combine acetaminophen with a nasal decongestant — and, in the Severe versions, a cough suppressant and expectorant — to treat sinus pressure, headache, congestion, and cough in one product. Choose the version that matches your symptoms, respect the decongestant cautions if you have high blood pressure, heart, thyroid, or MAOI concerns, and above all, count the acetaminophen toward your daily maximum and never double up with other Tylenol products. This is general information, not medical advice; read your Drug Facts label and ask a pharmacist when you are unsure.