Men's Health Watchdog
SafetyUpdated November 9, 2026

BlueChew Side Effects: What Its Pages and the Labels Say

BlueChew side effects from its own product pages and the FDA labels for sildenafil, tadalafil and vardenafil: common effects, rare warnings and the nitrate rule.

By Julian Caraulani · Last updated

Safety

Quick answer
BlueChew side effects are the same as for the ED drugs inside its tablets: headache, flushing, indigestion and a stuffy nose are the common ones, according to BlueChew's own pages (BlueChew SIL page, read November 7, 2026). Rare but serious ones include an erection that will not go down and sudden vision or hearing changes. Never take it with nitrate heart medicines.
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  • FDA-approved and compounded
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What is BlueChew?

BlueChew is an online ED program. A licensed provider reviews your health profile, and if you are approved, BlueChew ships chewable tablets made by a pharmacy (BlueChew FAQ). Each tablet holds one of the three common ED drugs: sildenafil (the drug in Viagra), tadalafil (the drug in Cialis) or vardenafil. GOLD adds two more ingredients.

The tablets are compounded, which means a pharmacy mixes them rather than a drug maker producing an approved product. So no FDA label covers BlueChew itself. The labels for the approved drugs give the trial rates further down. A clinician decides what suits you, and we give no doses.

What BlueChew says for each tablet

BlueChew sells separate tablets, each with its own side-effect paragraph. All are read from BlueChew's product pages on November 7, 2026. $3.53 is the lowest "from" price per tablet for SIL, $2.23 for TAD, $4.34 for VAR and $7.30 for GOLD.

Product Active ingredients Common effects BlueChew lists Rarer effects BlueChew lists
SIL Sildenafil Skin flushing, headache, indigestion, stuffy or runny nose Prolonged erections, sudden changes in vision or hearing, tinnitus
TAD Tadalafil Headache, cough, nausea, indigestion or heartburn, flushing, muscle or back pain Prolonged erections, sudden changes in vision or hearing, tinnitus
DailyTAD Tadalafil with vitamins Same list as TAD Prolonged erections, sudden vision or hearing changes, tinnitus
VAR Vardenafil Indigestion, flushing, nasal congestion, headache Prolonged erections, sudden changes in vision or hearing, tinnitus

Sources: SIL, TAD, DailyTAD and VAR pages.

Top-rated partner for ED medication
Strut Health
8.8/10Very good
From $16/mo, $48 per 90 days, auto refill
  • FDA-approved and compounded
  • LegitScript seal ID shown
  • 49 states (not AR)

BlueChew GOLD side effects

GOLD adds two more named ingredients, apomorphine and oxytocin, and its page splits the list by ingredient (BlueChew GOLD page).

  • Sildenafil and tadalafil, common: back pain, congestion, flushing, headache, heartburn, muscle pain, nose or throat irritation, runny nose, upset stomach or vomiting, dizziness and mild vision disturbances.
  • Apomorphine, common: nausea, vomiting or upset stomach, feeling faint or lightheaded, dizziness, drowsiness or fatigue, headache, runny nose, excessive sweating and mouth irritation.
  • Oxytocin, common: nausea, vomiting or upset stomach.
  • Less common but serious: the page lists sudden vision or hearing changes, prolonged erection, passing out, chest pain or pressure, weakness on one side of the body, trouble speaking or thinking, hallucinations or delusions, confusion and very low blood pressure.

More on the product itself is in our BlueChew GOLD page. We could not find published trial rates for the four-ingredient combination, so we state none.

What the FDA labels report for the same drugs

BlueChew's tablets are not the approved products, but the active ingredients are the same drugs. The approved labels give trial rates. Each column compares men on the drug with men on a placebo (a dummy pill), and lists effects seen in at least 2% of men and more often than on the dummy pill. The trials were run separately, so do not read the columns as a head-to-head test.

Side effect Sildenafil (Viagra) Tadalafil (Cialis) Vardenafil
Headache 16% vs 4% placebo 15% vs 5% placebo 15% vs 4% placebo
Flushing 10% vs 1% 3% vs 1% 11% vs 1%
Indigestion 7% vs 2% 10% vs 1% 4% vs 1%
Nasal congestion or rhinitis 4% vs 2% 3% vs 1% 9% vs 3%
Back pain 2% vs 2% 6% vs 3% 2.0% vs 1.7%

Sources: Viagra label, Cialis label and a vardenafil tablets label, read November 7, 2026. Read the headache row this way: about 16 in 100 men on sildenafil had a headache, against 4 in 100 on the dummy pill.

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Why the compounded form changes the picture

BlueChew is open about this on its product pages: "The featured products are compounded drugs. The FDA does not approve or verify compounded drugs for safety, effectiveness or quality." (BlueChew SIL page) The FDA says the same in general terms: "Compounded drugs are not FDA-approved." (FDA)

What that means for side effects: the rates above come from trials of the approved tablets. A chewable tablet is a different form, and nobody has published side effect rates for it. The drugs inside are the same, so the label lists are the best guide we have. Our guide to compounded ED medication explains the difference, and the Viagra vs Cialis side effects guide compares the two main drugs.

The warnings that matter most

Nitrates. BlueChew's pages say not to take any of its tablets if you take nitrate medicines, or certain medicines for high blood pressure in the lungs, "as this could cause an unsafe drop in blood pressure." (BlueChew SIL page) The vardenafil label says the same: never take it with nitrates, whether you use them every day or only now and then. Tell the prescriber about every heart medicine.

Erection lasting over four hours. The vardenafil label says "In the event that an erection persists longer than 4 hours, the patient should seek immediate medical assistance." (DailyMed: vardenafil label) The Viagra label carries the same instruction. Left untreated, a long erection can damage the penis, so this is an emergency.

Sudden vision or hearing loss. BlueChew lists sudden vision or hearing changes among its rarer effects. These need urgent medical care, not a wait-and-see approach.

Who can ask about side effects

BlueChew says a licensed medical provider reviews your profile, and its FAQ gives a support email for questions (BlueChew FAQ). Whether to change tablets or strength is the prescriber's decision. For the program as a whole, read our BlueChew review and the record page for BlueChew. If you are weighing it against a program that also offers FDA-approved generics, see BlueChew vs Hims, and compare every ED program's prices on our ED cost table or the best men's health programs.

Questions

FAQ

What are the side effects of BlueChew?

BlueChew lists headache, flushing, indigestion and nasal congestion for its sildenafil and vardenafil tablets, and headache, cough, nausea, heartburn, flushing and muscle or back pain for tadalafil. Its pages also list rarer effects, including prolonged erections, sudden vision or hearing changes and tinnitus.

What is BlueChew?

BlueChew is an online ED program that ships chewable tablets made by a pharmacy after a licensed provider reviews your profile. Each tablet holds sildenafil, tadalafil or vardenafil, and GOLD adds apomorphine and oxytocin. The tablets are compounded, so they are not FDA-approved products.

Is BlueChew safe?

BlueChew's pages say its products are compounded and that the FDA does not approve or verify compounded drugs for safety, effectiveness or quality. The active drugs are approved ones with long label histories. Safety for you depends on your health and other medicines, which a prescriber reviews.

Does BlueChew cause headaches?

Headache is on every BlueChew product page. In the approved-drug labels it was reported by 16% of men on sildenafil, 15% on tadalafil and 15% on vardenafil, against 4% to 5% on a dummy pill. Rates for BlueChew's compounded forms are not published.

Can I take BlueChew with nitrates?

No. BlueChew's pages and the drug labels all say not to take these drugs with nitrates, because the combination could cause an unsafe drop in blood pressure. Nitroglycerin for chest pain is one example. Tell the prescriber about every medicine you use.

What are the side effects of BlueChew GOLD?

BlueChew lists them by ingredient. Sildenafil and tadalafil bring back pain, flushing, headache and congestion. Apomorphine adds nausea, lightheadedness and drowsiness. Oxytocin is listed with nausea and vomiting. Serious effects include fainting, chest pain and very low blood pressure.

When should I get urgent help?

Seek care for an erection lasting longer than four hours, sudden loss of vision or hearing, chest pain or fainting. The vardenafil label gives the four-hour rule. Do not wait for these to pass or take another tablet.

How much does BlueChew cost?

BlueChew lists tablets from $3.53 (SIL) to $7.30 (GOLD), read November 7, 2026. See how much BlueChew costs for every product. Compare every program on our ED price table or see the overall ranking at Best men's health programs.

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