Summarize the following:
Similarly, do not use it on a young child or infant without discussing it with your doctor first. Be sure to apply it only to the pimple.  If you are applying the medication to your face, be careful not to get it in your eyes. Do not swallow the medication and keep it out of reach of small children. Do not apply it to mucous membranes such as your mouth or genitals. Side effects are uncommon, but if they do occur, discontinue the medication immediately and get medical help. Possible side effects include:   Irritation where it has been applied. Symptoms may include pain, burning, stinging, itching, redness, a rash, eczema, hives, swelling, blistering. Conjunctivitis. Topical application of Fucidin should not interfere with your ability to drive. Know what ingredients are contained in Fucidin. If you show symptoms of an allergic reaction (difficulty breathing, swelling of the face or throat, a rash/hives, etc.) seek medical help immediately.  2% fusidic acid (active ingredient). Other ingredients include butylhydroxyanisole (E320), cetyl alcohol, glycerol, liquid paraffin, polysorbate 60, potassium sorbate, purified water, all-rac-α-tocopherol, hydrochloric acid, and white soft paraffin. In particular, butylhydroxyanisole (E320), cetyl alcohol, and potassium sorbate may cause an itchy rash or inflammation where applied. If you show these symptoms, discontinue the medication and consult your doctor.

Summary:
Consult your doctor for advice before using it if you are pregnant or breastfeeding. Use caution when applying Fucidin. Be aware of the possible side effects. Do not use Fucidin if you are allergic to it.