M Pill – White Round Thiola TIOPRONIN 100 mg;SUCROSE 123 mg;CALCIUM CARBONATE 42.7 mg;LACTOSE 39 mg;DIMETHYLAMINOETHYL METHACRYLATE – BUTYL METHACRYLATE – METHYL METHACRYLATE COPOLYMER 28.8 mg;ETHYLCELLULOSES 20 mg;MAGNESIUM SILICATE 14.4 mg;MAGNESIUM STEARATE 5.4 mg;TITANIUM DIOXIDE 1.7 mg;CARNAUBA WAX 0.05 mg
Quick Identification
The pill with imprint M is a white round tablet/capsule identified as Thiola TIOPRONIN 100 mg;SUCROSE 123 mg;CALCIUM CARBONATE 42.7 mg;LACTOSE 39 mg;DIMETHYLAMINOETHYL METHACRYLATE - BUTYL METHACRYLATE - METHYL METHACRYLATE COPOLYMER 28.8 mg;ETHYLCELLULOSES 20 mg;MAGNESIUM SILICATE 14.4 mg;MAGNESIUM STEARATE 5.4 mg;TITANIUM DIOXIDE 1.7 mg;CARNAUBA WAX 0.05 mg.
| Imprint | M |
|---|---|
| Shape | ROUND |
| Colour | WHITE |
| Size | 8 |
| Strength | TIOPRONIN 100 mg;SUCROSE 123 mg;CALCIUM CARBONATE 42.7 mg;LACTOSE 39 mg;DIMETHYLAMINOETHYL METHACRYLATE - BUTYL METHACRYLATE - METHYL METHACRYLATE COPOLYMER 28.8 mg;ETHYLCELLULOSES 20 mg;MAGNESIUM SILICATE 14.4 mg;MAGNESIUM STEARATE 5.4 mg;TITANIUM DIOXIDE 1.7 mg;CARNAUBA WAX 0.05 mg |
| Dosage form | C42992 |
What Does This Imprint Mean?
The characters "M" stamped, printed, or debossed onto this pill are its imprint code. Manufacturers are required by the FDA to give every tablet and capsule a unique imprint so it can be identified after it leaves its original packaging. Combined with the pill's shape and colour, the imprint is the fastest way to confirm exactly what a loose pill is.
Active Ingredient: Thiola
Generic name: Thiola. This pill contains TIOPRONIN 100 mg;SUCROSE 123 mg;CALCIUM CARBONATE 42.7 mg;LACTOSE 39 mg;DIMETHYLAMINOETHYL METHACRYLATE - BUTYL METHACRYLATE - METHYL METHACRYLATE COPOLYMER 28.8 mg;ETHYLCELLULOSES 20 mg;MAGNESIUM SILICATE 14.4 mg;MAGNESIUM STEARATE 5.4 mg;TITANIUM DIOXIDE 1.7 mg;CARNAUBA WAX 0.05 mg.
Manufacturer & NDC
| Manufacturer | Mission Pharmacal Company |
|---|---|
| NDC | 0178-0900 |
How to Identify This Pill
- Read the imprint code exactly as it appears (letters, numbers, and any dividing line) — it is the single most reliable identifier.
- Note the shape (round, oval, capsule, etc.) and colour, and compare both against the details above.
- Check the size if you have a ruler or pill gauge — imprint plus size narrows down look-alikes.
- Compare the pill photo above side-by-side with the physical pill in good lighting.
- If anything does not match exactly, do not assume — confirm with a pharmacist before taking it.
Similar-Looking Pills
These pills share the same shape and colour, but are different medications — always confirm by imprint, not appearance alone.
Frequently Asked Questions
What does the pill imprinted M look like?
It is described as a white round pill measuring about 8, imprinted with "M".
What is Thiola used for?
See the Thiola drug page for full usage information.
What strength is this Thiola pill?
This pill is TIOPRONIN 100 mg;SUCROSE 123 mg;CALCIUM CARBONATE 42.7 mg;LACTOSE 39 mg;DIMETHYLAMINOETHYL METHACRYLATE - BUTYL METHACRYLATE - METHYL METHACRYLATE COPOLYMER 28.8 mg;ETHYLCELLULOSES 20 mg;MAGNESIUM SILICATE 14.4 mg;MAGNESIUM STEARATE 5.4 mg;TITANIUM DIOXIDE 1.7 mg;CARNAUBA WAX 0.05 mg of Thiola.
Who makes this pill?
It is manufactured by Mission Pharmacal Company.
Is it safe to take a pill if I cannot identify it?
No. Never take a pill you cannot positively identify. If you are unsure about a pill, do not take it — consult a pharmacist or physician, or contact Poison Control.
