Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to prevent flea bites [title] Visit your vet to get monthly flea control products. [step] Your veterinarian can give you flea control medications that are administered orally or by injection and are more likely to work than many over-the-counter brands. Some other treatments are topical solutions.

Ending1: The discomfort and irritation will generally be mild when topical treatments can be administered. [substeps] Topical medications to eliminate fleas are available over the counter, but oral medications to reduce the shedding of fleas vary in dosage. Ending2: [substeps] These include retainer patches, jabs, and electrical disinfecting solutions. Retainer patches can be inserted into your pet's mouth or implant into their skin. Ending3: This usually focuses on control of your small pox-like bumps on your body, but it can be effective in treating mosquitos and fleas as well. [substeps] The option for a flea control and topical product can range from oral pain relievers like deet, penicillin, ibuprofen, and alcohol. Ending4: [substeps] Try topical or spot-on medication. These medications absorb from the skin into the pet's bloodstream.

Answer format: ending1/ending2/ending3/ending4