| 6 Products | Apr 2023 | Apr 2024 | Change |
| Benadryl Allergy Relief Capsules () | £4.97 | £4.78 | - £0.19 -3.8% decrease |
| | £6.00 | £4.50 | - £1.50 -25% decrease |
| | £5.70 | £5.70 | £0.00 -12.8% increase |
| | £4.00 | £5.70 | + £1.70 1.3% increase |
| | £4.75 | £4.75 | £0.00 1% increase |
| | £3.00 | £2.00 | - £1.00 -3.4% decrease |
| | £6.00 | £6.00 | £0.00 -2.6% increase |
| | £4.80 | £5.70 | + £0.90 0.4% increase |
| | £5.49 | £4.49 | - £1.00 -2.2% decrease |
| | £4.20 | £3.99 | - £0.21 -2.5% decrease |
| | £5.71 | £4.95 | - £0.76 -3.8% decrease |
| Benadryl Allergy Relief Capsules 24 () | £8.94 | £9.02 | + £0.08 0.9% increase |
| | £10.00 | £10.50 | + £0.50 5% increase |
| | £10.00 | £10.00 | £0.00 2.5% increase |
| | £10.00 | £10.00 | £0.00 1.7% increase |
| | £7.20 | £7.20 | £0.00 1.4% increase |
| | £10.50 | £10.50 | £0.00 1% increase |
| | £9.00 | £10.00 | + £1.00 2.6% increase |
| | £8.93 | £7.20 | - £1.73 -0.4% decrease |
| | £5.89 | £6.79 | + £0.90 0.9% increase |
| Benadryl Allergy One-a-day Relief Tablets 30 (10mg) | £8.44 | £8.00 | - £0.44 -5.2% decrease |
| | £10.00 | £6.65 | - £3.35 -33.5% decrease |
| | £10.00 | £10.00 | £0.00 -16.7% increase |
| | £6.70 | £10.00 | + £3.30 -0.2% increase |
| | £6.50 | £6.75 | + £0.25 0.6% increase |
| | £10.50 | £10.50 | £0.00 0.5% increase |
| | £8.33 | £7.50 | - £0.83 -1.2% decrease |
| | £6.98 | £6.65 | - £0.33 -1.7% decrease |
| | £8.49 | £5.94 | - £2.55 -5.2% decrease |
| Benadryl One a Day Allergy Relief Tablets () | £6.25 | £6.18 | - £0.07 -1.1% decrease |
| | £7.00 | £6.50 | - £0.50 -7.1% decrease |
| | £6.50 | £6.50 | £0.00 -3.7% increase |
| | £4.30 | £6.50 | + £2.20 9.6% increase |
| | £6.50 | £6.50 | £0.00 6.9% increase |
| | £5.95 | £6.80 | + £0.85 8.4% increase |
| | £6.00 | £6.50 | + £0.50 8.4% increase |
| | £7.49 | £3.95 | - £3.54 -1.1% decrease |
| Benadryl Allergy Relief Capsules () | £7.88 | £10.00 | + £2.12 26.9% increase |
| | £7.88 | £10.00 | + £2.12 26.9% increase |
| Benadryl Allergy Relief 24 Caps () | £9.00 | £9.00 | £0.00 No change |
| | £9.00 | £9.00 | £0.00 No change |
