Guaifenesin
Also known as: Adult Tussin, Allfen Jr, Bidex, Chest Congest, Chest Congest Rlf, Cough Out, Diabetic Tussin Ex, Liquibid, Mucinex, Mucolyte, Mucosa, Mucus and 11 more.
Wholesale (NADAC) cost for every strength and dosage form — the price pharmacies pay, published weekly by CMS. Not your out-of-pocket price.
Wholesale (NADAC) prices — every strength & form
| Strength | Form | NADAC / unit | Class |
|---|---|---|---|
| 100 MG/5 ML | Solution OTC | $0.012 / mL | Generic |
| 100 MG/5 ML | Liquid OTC | $0.023 / mL | Generic |
| 200 MG/10 ML | (unspecified) OTC | $0.023 / mL | Generic |
| 200 MG | (unspecified) OTC | $0.020 / mL | Generic |
| 200 MG | Tablet OTC | $0.032 / unit | Generic |
| 400 MG | Tablet OTC | $0.068 / unit | Generic |
| 600 MG | Tablet ER OTC | $0.291 / unit | Generic |
| 1200 MG | Tablet ER OTC | $0.449 / unit | Generic |
| 1200 MG | Tablet OTC | $0.449 / unit | Generic |
Wholesale (NADAC) — the price pharmacies pay, not your out-of-pocket price. Liquids, creams, and sprays are priced per mL or gram; a typical package may be a bottle or tube (size not set yet).
NADAC week of 2026-07-01 · updated weekly · source CMS
Medicaid & Medicare spending · 2024
In 2024, Medicaid paid $5,741,850 gross for Guaifenesin across 364,021 prescriptions (measured, national).
Gross program spending, before rebates — not what patients pay out of pocket. Brand net cost is materially lower after confidential rebates; generics are close to net.
Source: Medicaid SDUD 2024 · Medicare Part D 2024 · CMSBuy it with a cash program — no insurance needed
600 MG · Tablet ER
TrumpRx discount card$15.30 · 60 tablets — $18.70 · 90 tablets
Amazon Pharmacy (mail)$19.20 · 60 tablets — $28.80 · 90 tablets
Cost Plus Drugs (mail)$23.14 · 60 tablets — $29.58 · 90 tablets
Fixed program prices at participating pharmacies or by mail. Covered strengths & quantities only; program terms apply. TrumpRx card & mail-order prices as listed on trumprx.gov (updated weekly). Mail orders take days to arrive.