| 7 Products | May 2023 | May 2024 | Change |
| Benadryl Allergy Relief Capsules () | £5.00 | £4.85 | - £0.15 -3% decrease |
| | £6.00 | £6.00 | £0.00 No change |
| | £5.70 | £5.70 | £0.00 No change |
| | £5.70 | £5.70 | £0.00 No change |
| | £4.38 | £4.00 | - £0.38 -1.8% decrease |
| | £3.00 | £2.00 | - £1.00 -5.6% decrease |
| | £6.00 | £6.00 | £0.00 -4.5% increase |
| | £4.20 | £5.70 | + £1.50 0.2% increase |
| | £5.49 | £3.99 | - £1.50 -3.4% decrease |
| | £3.99 | £3.99 | £0.00 -3% increase |
| | £5.57 | £5.44 | - £0.13 -3% decrease |
| Benadryl Allergy Relief Capsules 24 () | £8.73 | £9.57 | + £0.84 9.6% increase |
| | £8.60 | £10.50 | + £1.90 22.1% increase |
| | £10.00 | £10.00 | £0.00 10.2% increase |
| | £6.70 | £10.00 | + £3.30 20.6% increase |
| | £7.20 | £7.20 | £0.00 16% increase |
| | £10.50 | £10.50 | £0.00 12.1% increase |
| | £9.00 | £7.50 | - £1.50 7% decrease |
| | £8.90 | £7.20 | - £1.70 3.3% decrease |
| | £8.93 | £13.64 | + £4.71 9.6% increase |
| Benadryl Allergy One-a-day Relief Tablets 30 (10mg) | £8.19 | £8.44 | + £0.25 3.1% increase |
| | £8.35 | £10.00 | + £1.65 19.8% increase |
| | £10.00 | £10.00 | £0.00 8.9% increase |
| | £6.70 | £10.00 | + £3.30 19.8% increase |
| | £6.50 | £6.75 | + £0.25 16.5% increase |
| | £10.50 | £10.50 | £0.00 12.4% increase |
| | £8.33 | £7.50 | - £0.83 8.7% decrease |
| | £6.35 | £6.75 | + £0.40 8.5% increase |
| | £8.81 | £5.99 | - £2.82 3.1% decrease |
| Benadryl One a Day Allergy Relief Tablets (10mg) | £6.10 | £5.71 | - £0.39 -6.4% decrease |
| | £7.00 | £5.25 | - £1.75 -25% decrease |
| | £6.50 | £6.50 | £0.00 -12.9% increase |
| | £4.30 | £6.50 | + £2.20 2.5% increase |
| | £6.05 | £4.90 | - £1.15 -2.9% decrease |
| | £6.80 | £6.80 | £0.00 -2.3% increase |
| | £5.25 | £6.50 | + £1.25 1.7% increase |
| | £6.79 | £3.53 | - £3.26 -6.4% decrease |
| Benadryl One A Day Relief () | £6.83 | £6.59 | - £0.24 -3.5% decrease |
| | £6.50 | £6.50 | £0.00 No change |
| | £5.50 | £5.50 | £0.00 No change |
| | £6.50 | £4.90 | - £1.60 -8.8% decrease |
| | £4.99 | £4.90 | - £0.09 -7.2% decrease |
| | £10.65 | £11.15 | + £0.50 -3.5% increase |
| Benadryl Allergy Relief Capsules () | £8.38 | £10.00 | + £1.62 19.3% increase |
| | £8.38 | £10.00 | + £1.62 19.3% increase |
| Benadryl Allergy Relief 24 Caps () | £9.00 | £9.00 | £0.00 No change |
| | £9.00 | £9.00 | £0.00 No change |
