| 6 Products | May 2023 | May 2024 | Change |
| Benadryl Allergy Relief Capsules () | £4.97 | £4.78 | - £0.19 -3.8% decrease |
| | £5.49 | £4.49 | - £1.00 -18.2% decrease |
| | £5.71 | £4.95 | - £0.76 -15.7% decrease |
| | £6.00 | £4.50 | - £1.50 -18.8% decrease |
| | £4.00 | £5.70 | + £1.70 -7.4% increase |
| | £4.75 | £4.75 | £0.00 -6% increase |
| | £4.80 | £5.70 | + £0.90 -2.1% increase |
| | £6.00 | £6.00 | £0.00 -1.7% increase |
| | £5.70 | £5.70 | £0.00 -1.7% increase |
| | £3.00 | £2.00 | - £1.00 -3.6% decrease |
| | £4.20 | £3.99 | - £0.21 -3.8% decrease |
| Benadryl Allergy Relief Capsules 24 () | £8.94 | £9.02 | + £0.08 0.9% increase |
| | £5.89 | £6.79 | + £0.90 15.3% increase |
| | £8.93 | £7.20 | - £1.73 -5.5% decrease |
| | £10.00 | £10.00 | £0.00 -3.3% increase |
| | £7.20 | £7.20 | £0.00 -2.6% increase |
| | £10.00 | £10.50 | + £0.50 -0.7% increase |
| | £9.00 | £10.00 | + £1.00 1.4% increase |
| | £10.50 | £10.50 | £0.00 1% increase |
| | £10.00 | £10.00 | £0.00 0.9% increase |
| Benadryl Allergy One-a-day Relief Tablets 30 (10mg) | £8.44 | £8.00 | - £0.44 -5.2% decrease |
| | £6.98 | £6.65 | - £0.33 -4.7% decrease |
| | £8.49 | £5.94 | - £2.55 -18.6% decrease |
| | £6.50 | £6.75 | + £0.25 -11.9% increase |
| | £6.70 | £10.00 | + £3.30 2.4% increase |
| | £10.00 | £6.65 | - £3.35 -6.9% decrease |
| | £8.33 | £7.50 | - £0.83 -7.4% decrease |
| | £10.50 | £10.50 | £0.00 -6.1% increase |
| | £10.00 | £10.00 | £0.00 -5.2% increase |
| Benadryl One a Day Allergy Relief Tablets () | £6.25 | £6.18 | - £0.07 -1.1% decrease |
| | £5.95 | £6.80 | + £0.85 14.3% increase |
| | £4.30 | £6.50 | + £2.20 29.6% increase |
| | £7.00 | £6.50 | - £0.50 14.8% decrease |
| | £7.49 | £3.95 | - £3.54 -4% decrease |
| | £6.50 | £6.50 | £0.00 -3.2% increase |
| | £6.00 | £6.50 | + £0.50 -1.3% increase |
| | £6.50 | £6.50 | £0.00 -1.1% increase |
| 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 |
