| 12 Products | Apr 2025 | Apr 2026 | Change |
| Benadryl Allergy Relief Capsules () | £3.00 | £5.98 | + £2.98 99.3% increase |
| | £3.00 | £5.98 | + £2.98 99.3% increase |
| ASDA Hayfever & Allergy Relief Tablets () | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| Benadryl One a Day Allergy Relief Tablets (10mg) | £6.50 | £6.50 | £0.00 No change |
| | £6.50 | £6.50 | £0.00 No change |
| Clarityn Allergy Tablets (10mg) | £9.00 | £9.00 | £0.00 No change |
| | £9.00 | £9.00 | £0.00 No change |
| Allevia Hayfever Allergy Relief Fexofenadine Tablets (120mg) | £4.00 | £8.00 | + £4.00 100% increase |
| | £4.00 | £8.00 | + £4.00 100% increase |
| ASDA Hayfever & Allergy Relief Tablets (120mg) | £2.75 | £2.75 | £0.00 No change |
| | £2.75 | £2.75 | £0.00 No change |
| Piriteze Antihistamine Allergy Relief Tablets Cetirizine () | £7.48 | £7.00 | - £0.48 -6.4% decrease |
| | £7.48 | £7.00 | - £0.48 -6.4% decrease |
| Benadryl Allergy Relief Capsules 24 () | £10.50 | £10.50 | £0.00 No change |
| | £10.50 | £10.50 | £0.00 No change |
| Clarityn Allergy Tablets Loratadine for Hayfever Relief 30 Tablets (10mg) | £6.98 | £11.25 | + £4.27 61.2% increase |
| | £6.98 | £11.25 | + £4.27 61.2% increase |
| Benadryl Allergy One-a-day Relief Tablets 30 (10mg) | £10.00 | £9.98 | - £0.02 -0.2% decrease |
| | £10.00 | £9.98 | - £0.02 -0.2% decrease |
