Comprehensive medication guide to Acetaminophen/Caffeine including estimated pricing, availability information, side effects, and how to find it in stock at your local pharmacy.
Estimated Insurance Pricing
Most commercial insurance does not cover OTC medications. If prescribed, may be covered as Tier 1 ($0–$10 copay) on some Medicaid plans. HSA and FSA funds can be used without a prescription since the 2020 CARES Act.
Estimated Cash Pricing
$5–$12 OTC retail for 24-count branded (Excedrin Tension Headache); $4–$8 for store-brand generics (Equate, Up & Up, CVS Health); $14–$20 for 100-count bottles. No prescription required.
Medfinder Findability Score
92/100
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Acetaminophen/caffeine is an over-the-counter combination pain reliever that pairs acetaminophen — the active ingredient in Tylenol — with caffeine, which acts as an analgesic adjuvant to boost and prolong pain relief. It is sold under brand names including Excedrin Tension Headache, Excedrin Mild Headache, Excedrin Quick Tab, and Valorin Extra. Unlike Excedrin Extra Strength or Excedrin Migraine, this formulation does NOT contain aspirin.
It is used for the temporary relief of tension headaches, mild migraines, muscle aches, menstrual cramps, minor arthritis pain, and common cold-related discomfort. Each tablet typically contains 500 mg of acetaminophen and 65 mg of caffeine. It is not a controlled substance and requires no prescription in the United States.
Store-brand generics with identical active ingredients are widely available at Walmart (Equate), Target (Up & Up), CVS, and Walgreens — often at 30-50% lower cost than the branded Excedrin products.
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The combination works through two complementary mechanisms. Acetaminophen inhibits prostaglandin synthesis in the central nervous system, reducing the transmission of pain signals and lowering fever. It also activates descending serotonergic pain-modulation pathways in the brain, essentially turning down the "volume" on incoming pain signals from the body.
Caffeine enhances the analgesic effect through multiple mechanisms: it blocks adenosine A1 and A2A receptors in the brain, reducing pro-nociceptive (pain-promoting) signaling; it accelerates acetaminophen absorption by increasing gastric blood flow; it slows acetaminophen clearance by the liver, extending its effective duration; it down-regulates COX-2 via adenosine A2A receptor blockade; and it causes vasoconstriction of dilated cranial blood vessels, directly relieving vascular headache pain.
Clinical research — including a 2014 Cochrane systematic review of 7,238 participants — confirms that adding caffeine to acetaminophen improves the proportion of patients achieving meaningful pain relief by 5-10% compared to acetaminophen alone.
500 mg/65 mg — tablet
Standard oral tablet — most common formulation (Excedrin Tension Headache, generics)
325 mg/65 mg — tablet
Lower-dose oral tablet formulation
500 mg/65 mg — orally disintegrating tablet
Dissolves on tongue — Excedrin Quick Tab formulation for faster onset
Acetaminophen/caffeine is not on the FDA's drug shortage list and has a findability score of 92 out of 100 — meaning it is widely available nationally. However, the aspirin-free formulation (acetaminophen + caffeine without aspirin) is stocked by fewer retailers than the triple-combination versions, and individual stores may experience temporary stockouts between restocking cycles.
Large chain pharmacies (CVS, Walgreens), big-box retailers (Walmart, Target), and online retailers (Amazon) carry it reliably. Smaller independent pharmacies may not stock it. Store-brand generics are an excellent fallback when branded Excedrin Tension Headache is unavailable.
If your pharmacy is out of stock, medfinder can call nearby pharmacies to check availability and text you the results — saving you time and wasted trips.
Acetaminophen/caffeine is an over-the-counter medication and does not require a DEA registration or a prescription to recommend or purchase. Any healthcare professional can advise patients to use it. However, in situations where a prescription is needed (e.g., for insurance coverage or documentation), the following providers can write one:
Telehealth providers (Teladoc, MDLive, Hims & Hers, Ro, and others) can evaluate headache patterns and recommend OTC regimens or prescribe prescription alternatives via video or asynchronous messaging appointments.
No. The two-ingredient combination of acetaminophen and caffeine (without butalbital or codeine) is not a controlled substance under the DEA's Controlled Substances Act. It is an over-the-counter (OTC) medication available without a prescription at any pharmacy, grocery store, or online retailer in the United States.
There are no quantity limits, ID requirements, or prescription requirements for purchasing this medication. Adults and children 12 and older can buy it freely. Note: Fioricet — a related prescription medication that adds butalbital (a barbiturate) to acetaminophen and caffeine — IS a controlled substance in some states due to the butalbital component. Acetaminophen/caffeine alone is distinct from Fioricet.
Most people tolerate this combination well. Common side effects are primarily related to caffeine:
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Plain Acetaminophen (Tylenol)
Same analgesic without caffeine; widely available; good option when caffeine should be avoided
Ibuprofen (Advil, Motrin)
NSAID with anti-inflammatory properties; effective for headaches and muscle pain; avoid with GI issues or blood thinners
Naproxen Sodium (Aleve)
Longer-acting NSAID; useful for menstrual pain and arthritis; same NSAID cautions apply
Acetaminophen/Aspirin/Caffeine (Excedrin Extra Strength)
Triple-combination with aspirin; stronger for migraine; widely available; not for aspirin-sensitive patients
Sumatriptan (Imitrex)
Prescription triptan for moderate-to-severe migraine; much more targeted than OTC analgesics
Prefer Acetaminophen/Caffeine? We can find it.
Warfarin (Coumadin)
moderateAcetaminophen potentiates anticoagulant effect at doses >1.3 g/day for >2 weeks. Monitor INR.
Other acetaminophen-containing products
majorCombining with NyQuil, Percocet, Vicodin, or other acetaminophen products risks exceeding daily maximum (4,000 mg) and liver damage.
Alcohol
majorHeavy alcohol use (3+ drinks/day) with acetaminophen significantly increases liver toxicity risk.
Stimulant medications (Adderall, Ritalin)
moderateCombined stimulant + caffeine effects may increase heart rate, blood pressure, and arrhythmia risk.
Ciprofloxacin / Norfloxacin
moderateCYP1A2 inhibitors that slow caffeine metabolism, causing exaggerated stimulant effects.
Isoniazid (INH)
majorINH induces CYP enzymes increasing conversion of acetaminophen to toxic NAPQI metabolite, raising hepatotoxicity risk.
Theophylline
moderateBoth are methylxanthines; additive CNS stimulation risk when combined.
Acetaminophen/caffeine is a well-established, science-backed OTC pain reliever that is particularly effective for tension headaches and mild migraines. Its aspirin-free formulation makes it an important option for patients who cannot take NSAIDs, and its broad availability means most people can access it without difficulty.
Use it as directed — no more than 8 tablets (4,000 mg acetaminophen) per day, and not more than 10 days per month to avoid medication-overuse headache. Always check labels of other medications to avoid combining with additional acetaminophen sources. If headaches are frequent, severe, or worsening, consult a healthcare provider.
If you're having trouble finding acetaminophen/caffeine in stock at your local pharmacy, medfinder can help — we call pharmacies near you and text you availability results, so you can get the medication you need without wasted trips or hold music.
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Medfinder is actively checking pharmacy inventory for Acetaminophen/Caffeine. We don't publish a number until we have enough verified pharmacy checks to be accurate — start a search and our team confirms current availability near you, usually within 24 hours.
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