Prevalence of drug use according to anatomical (first ATC level) and therapeutic (second ATC level) classes and age (per 100 children)
| All n=133 800 | <2 years n=20 531 | 2–5 years n=29 800 | 6–12 years n=49 709 | 13–17 years n=33 760 | |
|---|---|---|---|---|---|
| All drug classes | 84 | 97 | 91 | 80 | 76 |
| Nervous system | 67 | 91 | 80 | 60 | 52 |
| Analgesics | 65 | 89 | 78 | 58 | 50 |
| Anaesthetics | 12 | 38 | 14 | 7 | 2 |
| Psycholeptics | 2 | 1 | 2 | 2 | 4 |
| Respiratory system | 58 | 71 | 74 | 53 | 44 |
| Nasal preparations | 45 | 62 | 60 | 38 | 31 |
| Antihistamines for systemic use | 31 | 28 | 46 | 29 | 21 |
| Cough and cold preparations | 21 | 9 | 32 | 22 | 19 |
| Drugs for obstructive airway diseases | 14 | 22 | 19 | 12 | 9 |
| Anti-infectives for systemic use | 50 | 63 | 68 | 41 | 39 |
| Antibacterials for systemic use | 49 | 62 | 67 | 40 | 38 |
| Antivirals for systemic use | 1 | 1 | 1 | 1 | 1 |
| Alimentary tract and metabolism | 50 | 86 | 57 | 40 | 34 |
| Drugs for functional gastrointestinal disorders | 25 | 31 | 29 | 23 | 19 |
| Vitamins | 22 | 58 | 29 | 14 | 6 |
| Antidiarrhoeals, intestinal anti-inflammatory/anti-infective agents | 14 | 31 | 19 | 9 | 7 |
| Stomatological preparations | 11 | 38 | 4 | 5 | 8 |
| Drugs for acid related disorders | 10 | 18 | 9 | 8 | 9 |
| Antiemetics and antinauseants | 7 | 9 | 10 | 6 | 5 |
| Drugs for constipation | 5 | 6 | 7 | 4 | 3 |
| Musculoskeletal system | 38 | 39 | 43 | 34 | 39 |
| Anti-inflammatory and antirheumatic products | 37 | 39 | 43 | 33 | 36 |
| Topical products for joint and muscular pain | 4 | 0 | 1 | 5 | 10 |
| Dermatologicals | 35 | 57 | 38 | 26 | 32 |
| Antiseptics and disinfectants | 17 | 32 | 22 | 12 | 12 |
| Corticosteroids, dermatological preparations | 10 | 16 | 12 | 9 | 7 |
| Antifungals for dermatological use | 8 | 17 | 7 | 6 | 7 |
| Emollients and protectives | 8 | 22 | 9 | 4 | 3 |
| Antibiotics and chemotherapeutics for dermatological use | 7 | 9 | 9 | 6 | 6 |
| Antiacne preparations | 4 | 0 | 0 | 3 | 13 |
| Systemic hormonal preparations, excluding sex hormones and insulin | 25 | 41 | 36 | 18 | 15 |
| Corticosteroids for systemic use | 24 | 41 | 36 | 18 | 14 |
| Sensory organs | 23 | 41 | 32 | 16 | 12 |
| Ophthalmologicals | 15 | 33 | 19 | 9 | 9 |
| Otologicals | 10 | 16 | 18 | 8 | 4 |
| Blood and blood forming organs | 6 | 22 | 5 | 2 | 4 |
| Antianaemic preparations | 3 | 5 | 4 | 1 | 2 |
| Antihaemorrhagics | 3 | 15 | 0 | 0 | 1 |
| Blood substitutes and perfusion solutions | 1 | 4 | 1 | 1 | 1 |
| Antiparasitic products, insecticides and repellents | 4 | 3 | 8 | 4 | 3 |
| Anthelmintics | 4 | 3 | 7 | 4 | 2 |
| Genitourinary system and sex hormones | 3 | 1 | 1 | 1 | 11 |
| Sex hormones and modulators of the genital system | 3 | 0 | 0 | 0 | 10 |
Data for anatomical and therapeutic classes with an overall prevalence of use <1% are not shown.
All differences of prevalence of use of anatomical classes between age groups were statistically significant (p<0.0001).
ATC, Anatomical Therapeutic Chemical.