Good for cuts, abrasions, and paint removal. Always carry a tab when when you're out and about in the Third World - to avoid emergency use of nightmarish local toilette facilities. Travel introduces new, often unfriendly, bacteria into your system. When on the road, I take four acidophilus capsules every morning on an empty stomach, and before bed. They provide friendly intestinal flora that combat unfriendly varieties.
Unsweetened yogurt is also effective.
Antibiotic ointment for skin lesions, cuts, etc Vitamins, ginseng and herbs against travel stress. Resets your body's clock. Take plain yogurt or acidophilus with antibiotics to avoid constipation. In certain Third World nations, I also carry a supply of syringes. Yes, I look like a junkie, but contaminated needles are a constant threat in China, India, and Africa.