Rite Aid Maximum Strength Tussin Cough & Cold Mucus Relief CF, (dextromethorphan HBr 10 mg, guaifenesin 200 mg, phenylephrine HCI 5 mg, 4 FL. OZ./12 PK (UPC Code: 0-11822-57307-8) and 8 FL.OZ./12 PK (UPC Code: 0-11822-57313-9), Distributed by: Rite Aid, Camp Hill, PA, 17011
Presence of Precipitate; white substance confirmed as Guaifenesin, an active ingredient was observed in some bottles. If the product is shaken or warmed the white particles goes into the solution.
Nationwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-186-2013