Heartworm Treatment Drug Shortage

A shortage of Immiticide will cause the heartworm drug to be unavailable for several weeks to several months, according to Merial, the company that sells Immiticide.

Merial said in a statement that the company that manufactures Immiticide (melarsomine dihydrochloride) is “experiencing technical issues in their plant that will temporarily affect their ability to provide finished product to us.” The company said its inventory of Immiticide is depleted, but that it is working to identify a possible alternate source of supply.

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