1					2	3						4
				5
	6									7						8
																9
10
																		11
	12
								13
				14		15
16								17						18
			19
	20

Across 2. a possibility that something dangerous or bad may happen 4. an unusual sensitivity to something that can result in a person becoming ill 6. a food that contains milk 9. an exact amount of medication to be taken at one time 10. solid waste from the bowels; stool 12. a change in the body or in how a person feels after taking a medication 13. containing acid 16. liquid waste from the kidneys 19. a change in colour from the original colour 20. a situation in which a substance (usually another drug) affects the activity of a drug when both are taken together.

Down 1. an unwanted effect of a medication 3. damage or weaken 4. a drug used to kill bacteria and to cure infections 5. feeling sleepy 7. pharmacies charge a fee for each prescription that is filled 8. a negative reaction from a drug or a medicine 11. something that you add to something else to improve it or make it complete (e.g. vitamins) 14. a drink, such as coffee, tea, alcohol, orange juice.... 15. to make stronger; to increase 17. miss or not do something that you usually do 18. medication for heartburn or an upset stomach