An Indiana House committee is considering tighter limits on how much cold medicine consumers can buy. The bill State Senators approved last month would limit purchases of up to 61 grams a year of ephedrine and pseudoephedrine. About two boxes of the medicine a month. The current law's monthly limit is 7.2 grams. The bill also increases the criminal penalty for anyone buying more than 10 grams of those medicines intending to give them to someone who is making meth.