Wormer Comparison Chart
Drs. Foster & Smith Educational Staff

Treatment Options for Worms

It can be overwhelming trying to understand the different types of worms your pet can develop, and what treatment options are best. Use this chart to learn which product will work best for your cat's condition. You'll discover what ingredients each medication contains and also learn important safety information for each.

  Ingredients Large
Round-
worms
Hook-
worms
Tape-
worms
Whip-
worms
Heart-
worms
Need
RX
Safe
During
Preg-
nancy
Min.
Age/
Weight

Bayer Tapeworm
Dewormer Tablets
for Cats
praziquantel     X         Over 6 wks

Excel Roundworm
De-Wormer
for Cats
Piperazine X             Over 6 wks

Droncit® Tablets
Praziquantel     X     X X Over 6 wks

Heartgard®
Chewables
Ivermectin   X**     X X** X 6 wks

Revolution®
++
Selamectin X+ X**     X X X Over 8 wks

Advantage MultiTM
++
Imidacloprid/
Moxidectin
X X     X X Not
deter-
mined
Over 9 wks/
2 lbs
**Not effective against Uncinaria, the Northern hookworm.
+T. cati, only.
++Also effective against fleas, flea eggs, and ear mites. Applied topically.

  
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